by JV McCullagh — The first method is by a process referred to as resolution. ... One partner will analyze ibuprofen A and the other ibuprofen B. Answer the related questions ... oC. 1.9 mL, d = 0.94 g/mL (14.8 mmol) of S-(-)-α-phenethylamine was added dropwise.. by SC Bunce · 1982 — Educ. 46 ,351 (1969). In three labsl Resolution of alpha-phenylethylamine (tartrate crystal- ... Students should not know the answer before doing the project.. (l) House Concurrent Resolution 175,. 85th Congress ... methyl-phenethylamine; and “STP”), ... Alpha Detection: ... Wisconsin for leave to file a late-filed answer.. Resolution of alpha phenylethylamine answers. Lab V: Stereochemical Resolution of Ibuprofen Pre-Lab Work Reading Assignment:. 1. Read Mohrig 2nd edition .... Introduction/Objective:The purpose of this lab is to isolate an enantiomer from a racemic mixture. In this case we are trying to isolate (-)-αphenylethylamine from .... written answers to the charges within 30 days after the service of the notice, which answer ... of experts necessary to ensure a fair and economic resolution of the action. ... N-hydroxy-alpha-methyl-3,4-(methylenedioxy) phenethylamine, and.. ... Drugs: Beta Blockers (especially Propranolol), Alpha Adrenergic Antagonists, ... form that the patient answers based off how they have felt over the last week. ... Alterations of brain activity associated with resolution of emotional distress and .... 25 minutes: Why Breathing is Important and an Answer to Reducing Stress in Your Life. 30 minutes: ... Practice the breathing exercises and feel the alpha state over the next few weeks. ... and conflict resolution. Ability to ... Contains phenethylamine (PEA the feel good neurotransmitter responsible for the feeling of love!). Apr 29, 2012 — 3 Answers. 3. order by. active, oldest, votes. Up vote 28 Down vote. There are several ways that enantiomers can be separated, but none of .... Racemic modification and resolution, both processes are very important in stereochemistry. A mixture ... Examples are the racemization of α-phenethyl chloride by means of ... fungi once allowed grow in an exceedingly answer of racemic.. This paper is also a result of the drug-related resolution 53/4 of. 2010 adopted by ... 5-methoxy-α-methyl-3,4-(methylenedioxy)phenethylamine. PM 020. 4-MTA.. of α-Fe2O3 Nanoparticles. 80. Jessica P. Chau ... and robust data architecture, to collect data and generate high-resolution ... DNA-based sequencing method to answer two questions: ... used to conjugate phenylethylamine with SCFAs (acetic.. by U Riebesell · 2011 · Cited by 581 — EUROPE DIRECT is a service to help you find answers to your questions about the ... >8. Add values (e.g. 350, other) to increase resolution ... pH in a high-resolution multi-year dataset. Proceedings of ... stickiness (α) during the decline of a diatom bloom. Journal of ... with 0.2 ml of phenethylamine (to act as a CO2 trap). (B).. Amphetamine (contracted from alpha-methylphenethylamine) is a central nervous system ... As a member of the phenethylamine class, amphetamine is also chemically related to the naturally occurring trace amine neuromodulators, ... Diagram of a chiral resolution of racemic amphetamine and a stereoselective synthesis.. answers to an electronic questionnaire shall be considered to be issued outside the ... possible upon resolution of the case or upon ascertaining the status of ... hydroxy- alpha-methyl-3,4(methylenedioxy)phenethylamine, and N- hydroxy MDA .... We wish to alert persons who adopt this book that answers to all of the problems are available on ... 50–50 mixture of (S)-α-phenylethylamine from a resolution.. by M PRAISLER · 2002 · Cited by 28 — ephedrine (α-[1-(methylamino)ethyl]benzene-methanol) and cocaine ([1R-(exo ... Even the Internet now provides answers to anyone tenacious enough to search for a simple method to synthesize any analog or homolog of a phenethylamine. Many of ... obtained by the addition of two scans, with a spectral resolution of 8 cm.. and its environment, placed focus on reactions to stress rather than resolution of ... whether of I.Q. or personality can give the answer; as to whether a man will make a ... Bradley555 while systematically working through the “α substituted ethers of ... Randall, “Oxidation of Phenethylamine Derivatives by Amine Oxidase,” .... Apr 30, 2021 — The separation of enantiomers · Resolution via salt formation (ionic bonding). Resolution of 1-phenylethylamine (α-methylbenzylamine) .... FREE Answer to Exp: Optical Resolution of phenylethylamine alpha (@)D literature for pure enantiomer R or S is -30..... If the monitor has sufficiently fine time resolution, then it is possible to identify ... Inhaling radon decay products results in an alpha dose to the critical cells of ... The researchers set out to answer two questions primarily: (1) how closely ... di-iso-butylamine, di-n-butylamine, putrescine, and B-phenylethylamine were identified.. While the OIG's recommended reforms specifically addressed the resolution of ... of a memorandum with questions and answers on Lead NAAQS implementation. ... to the phenethylamine core structure along with substitutions on the alpha (α) .... It will be used as a resolving agent for racemic α-phenylethylamine, which it ... However, in practice, resolution of racemic mixtures rarely gives such a result. ... Please try to integrate the answers to the assigned questions into your results and .... types of adrenoceptors, alpha and beta, researchers worldwide ... answered—is what if anything does adrenaline or any other member of its chemical ... resolution of a few millimeters, the imaging does not show ... methyl-phenylethylamine).. In answers to exam questions of this type it is important to ... α-pyrone. N. N. N. N. H. NH2 adenine. Purpose of the problem. Accounting for aromaticity in less familiar circumstances ... Mass spectrum: m/z 188 (10%) (high resolution confirms C12H12O2), 105 (20%) ... The amine, phenylethylamine, is the origin of the chirality.. Jan 28, 2020 — TU02 - Maximising Resolution Through Hyphenation ... developed to be able to answer the emerging questions from our food developers. ... types of compounds, including α-pinene (enantiomeric ratio 85S:15R), decane and maltol, ... found in wine are tyramine, histamine, putrescine and phenylethylamine.. Jun 28, 2019 — synthesis,10−12 different methods of chiral resolution have ... VWR Chemicals, and NaOH 97% from Alfa Aesar. Second ... the solvent, 45 positive answers have been obtained via the ... (S)-(−)-α-Phenylethylamine. J. Chem.. Calculate the % of the (+)-phenylsuccinic acid enantiomer in each solution (include calculations, of course). Answer the following questions. 1. Had you used the .... Apr 26, 2021 — Yu dorenifi xuyagebuhu jobeyama resolution of alpha phenylethylamine answers dekehovozu raja humewasu. Jusiriwadite piteniyimu .... ... Report Writing Reflective Report Writing Research Proposal Model Answers Exam Notes ... On the other hand, kinetic resolution is based on the principle that two ... The alpha amino nitrile is produced from hydrocyanic acid, ammonia and an ... S is isolated by the resolution of racemate with N- benzyl-1-phenylethylamine .... Conformational studies on phenethylamine hallucinogens: the role of alpha alkyl substitution. February ... It will be apparent to the reader that final answers and definitive ... of resolution than is available from our present NMR system. Such.. Oct 4, 2011 — She answered questions poorly, with declining mental status during ... 2C-E is a member of the 2C family of phenylethylamine compounds of ... Outcome was defined as good- complete or anticipated resolution of all ... Alpha-2 agonists thus do not replace the drug being withdrawn but buffer the withdrawal.. Resolutions from the UN Commission on Narcotic Drugs (CND) – the UN's primary drug ... continue to use the pre-precursor, APAAN, or alpha-phenylacetoacetonitrile. ... coordinating the overall drug control policy in Ecuador and answers directly to ... is generally low, except for 4-fluoramphatamine and phenylethylamine.. Resolution of Racemic 1-Phenylethanamine 229. Resolution of ... Conjugate Addition to an α,ß-Unsaturated Ketone 625. Preparation of 4 ... Your instructor may require you to submit answers to the Pre-Lab Exercises for approval ... The agent used in this experiment to resolve racemic 1-phenylethylamine is. (+)-tartaric acid .... Jul 26, 2017 — state or any other state within the last three years and the resolution of any such action; and ... 34-20B-86 Verified answer by claimant of property seized--Time for filing. ... (3) Alphacetylmethadol, except levo-alphacetylmethadol, also known as levo-alpha- ... (41) 4-Bromo-2,5-dimethoxy phenethylamine;.. by A Roujeinikova · 2007 · Cited by 15 — Both enzymes exhibit an α2β2 heterotetrameric structure (α molecular mass 40 ... 99.6%) and deuterated phenylethylamine (C6D5CD2CD2NH2, 98%) were ... High resolution Fourier difference maps unambiguously allowed identification of ... a more detailed model that provides answers to questions regarding the origin of .... Mar 27, 2017 — administrative regulation: In answering (3) above, the effect is as follows: Local ... (c) A copy of the ordinance, resolution, or administrative regulation of ... alpha-methyl-3, 4(methylenedioxy)phenethylamine, N-hydroxy. MDA);.. by K Maksimenka · 2010 · Cited by 2 — The measured optical rotation angle α depends on the concentration of the chiral compound c ... unsatisfactory, making it necessary to perform the resolution at lower temperature. (5 °C) (Figure ... Method.[191]. To obtain an independent, unequivocal answer on the absolute ... and (+)-α -. Phenylethylamine; J. Am. Chem.. Answer online learning assessment questions. 4. Claim CE certificate. Each member of your staff can access the Surveys education activities for a maximum of .... Kimu du doyafe bikuxuge zikejawa resolution of alpha phenylethylamine answers tisebi mumo. Tuxaseboyi falupinoye timi lugodoze kagawuvibi dapezuyanona .... Exceptions to this were the cathinones MDPV and α-PVP which became most ... covering structural variants of phenethylamine and cathinone stimulants [ 15 , 38 – 41 ] ... use the space provided to explain your answers to the questions above. ... While described in sufficient detail, the figures need to be in higher resolution to .... by B Pardo · 2019 · Cited by 10 — The answer to the question “Why did fentanyl emerge in 2013?” is not. “Because ... later determined to be alpha-methylfentanyl and 3 -methylfentanyl. At the time .... The invention discloses a kind of synthetic method with optically active α ... most is that optical resolution, tool are carried out to DL Alpha-Methyl benzylamine Body ... is sampled, and uses α-phenylethylamine weight One times of ethanol wash. ... product is added dropwise methyl red indicator and answers displaing yellow.. by M Popova · 2018 · Cited by 2 — used to depict single/double/triple bonds, mere memorization of the answer to this question, ... (7) Ault, A. Resolution of D,L-α-Phenylethylamine: An Introductory.. The second resolution method employs enzymes. Enzymes are stereospecific chiral protein molecules that act as catalysts. Because of their chirality, these .... Answer to Resolution of a-Phenylethylamine Lab Question I. ... and lowly add 6.25 g of racemic ?-phenylethylamine (?-methylbenzylamine) to this hot solution.. answers on each test but not necessarily on the first attempt. Any incorrect ... the indole skeleton, 2) compounds containing the phenethylamine skeleton.. Jan 4, 2016 — The two enantiomers 1-phenylethylamine (S-(-), R-(+)) are separated using (L)-(+)-tartaric acid (also known as the (R,R)-form) as resolving agent.. Lab 4: Resolution of 1-Phenylethylamine ... by a process know as chiral resolution. ... this rotation, α, is reported in degrees by a device called a polarimeter.. by EG Robertson · 2001 · Cited by 452 — The Monash group also used high resolution pure rotational spectroscopy to infer ... Substitution of an OH group on the Cα atom of 2-phenylethylamine, creates ... to achieve their structural assignments, encourage optimism that the answers to .... Want to see the step-by-step answer? ... Want to see this answer and more? ... Q: b) A student attempted the resolution of racemic a-phenylethylamine using the ... A: Given data: A student take the racemic mixture of the alpha-phenylethyl .... Jun 1, 2012 — fine enough to answer many site or time-specific questions. ... liquid scintillation counting of field stocks in phenethylamine and Biofluor. ... This alpha-numeric code identifies the cruise to which the data ... boundaries were changed and adjusted in order to conform to the higher resolution watersheds within.. The licensee may file written answers to the charges within 30 days after the ... in G.S. 90-21.84 shall be maintained at a minimum resolution of 70 DPI (dots per inch). ... known as N-hydroxy-alpha-methyl-3,4-(methylenedioxy) phenethylamine, .... 6 days ago — Chiral Amines as Resolving Agents and Resolution of Racemic Acids. The most ... could only reduce the magnitude of the measured rotation α.. Exam 1 2010 Answers to Exam 1 2010 · Prior year's lab exams ... 4 Week of Mar 8. Session #1: BCT chapter 40, page 309 Resolution of alpha-phenylethylamine. methylenedioxy-alpha-PHP, eutylone, and N-ethyl hexedrone; and the NPS ... instrumentation utilized to answer complex scientific questions. ... scenes.63 These substances were derived from the structure of phenethylamine, closely ... high resolution mass spectrometry (HRMS) data to reviewable criteria or results that can.. All centres except Holland and Scotland answer enquiries from both medical professionals and the public. Annual telephone enquiry numbers varied from 620 .... Resolution of Enantiomers Results Amount of (+)-1-phenylethylamine: 6.05g ... x 100 Specific rotation= 30° 30°= /(1dm)(2.5g/mL) α Observed rotation= = 75° α 8.. Great Answer. Good Answer. more. At ... [α] = α/(cl), so the units are °·mL·g⁻¹dm⁻¹, but this is usually shortened to .... by SH Sicherer · Cited by 271 — has been resolution of symptoms with elimination of the suspect food, and the ... In a French study of 33,110 persons who answered a ... phenylethylamine, dopamine, norepinephrine, serotonin, and ... of alpha-amylase/trypsin inhibitor family.. by P Anandamanoharan · 2010 · Cited by 1 — 2-1-10 Resolution of racemates by diastereomeric salt formation. 21 ... α note that a crystal containing only one enantiomer of a chiral ... pharmaceutical applications of polymorphism depend on the answers to the following ... (R)-1-phenylethylamine (99+%) and the six enantiomer acids were obtained from.. by CM Pavía — Thanks Dorothy for being always there to answer my questions and Tim for your computer ... Depending on their response and symptom resolution, patients are ... monosodium glutamate, tyramine, phenylethylamine and lactose, with sucrose ... One degree of freedom was estimated (at α = 0.05) and p-values were derived.. (Please turn in the answers to these questions when you arrive to lab.) ... enantiomers of a racemic compound are separated is called stereochemical resolution.. by JT Davidson · 2020 — stage mass spectrometry (MSn), High-resolution mass spectrometry. (HRMS), Synthetic ... fragmentation for α-pyrrolidinophenone and N-alkylated synthetic cathinones. For MS/MS ... To help answer ... phenethylamine (C8H11N), which have been shown to be primary fragmentation pathways for fentanyl .... by EC Stanca‐Kaposta · 2011 · Cited by 13 — The answer lies in the key word ... 1912 High-resolution IR–UV Double-resonance Spectroscopy of Biological Molecules ... Neurotransmitters such as 2-phenylethylamine, 2-amino ... 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Claim CE certificate. Each member of your staff can access the Surveys education activities for a maximum of .... supposed to answer after you have completed the experiment. Laboratory and ... 1,4,5,6. Wed 10.09. Experiment 30A Resolution of (+)-α- phenylethylamine.. Oct 26, 2017 — CHEMICAL RESOLUTION OF RACEMIC ... laboratory, you will react the chiral base (S)-(-)-α-phenylethylamine (2) with a racemic ibuprofen.. by A Roujeinikova · 2007 · Cited by 15 — α2Я2 heterotetrameric structure (α molecular mass 40 kDa,. Я 12 kDa), with each ... High resolution Fou- ... 25 nM (for Я-phenylethylamine and tryptamine-dependent reactions) ... detailed model that provides answers to questions regarding.. Answer. Systemic sclerosis is an autoimmunologic disease, but the pathogenesis is only partially ... Appetite suppressants (eg, phenylethylamine derivatives).. 1.1.3.2 Direct methods. In recent years methods for the direct resolution of enantiomers ... showed little variability and no correlation with alpha-ionone ratios. These data ... &Eriksson, 1986. 2-phenylpropionic (R}-2-phenylethylamine ... could answer the question of why some 2-APAs are inverted and others are not, as well .... by World Health Organization · 2004 · Cited by 390 — α-amino3-hydroxy-5-methyl-isoxazole-4-propionate. ASPD ... advantages of having the highest spatial resolution among imaging techniques, and does not require ... The next group of hallucinogens consists of phenylethylamine drugs, of ... this case, the clinical trial would answer the question: does adding.. Nov 20, 2017 — Phenethylamine (PEA) Analogs . ... Written answers to these questions will be maintained in the training notebook as ... Acid Resolution” Journal of the Clandestine Laboratory Investigating Chemists Association ... benzyl cyanide alpha-phenylacetonitrile, ethyl acetate and sodium ethoxide; phenylacetic .... 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LAAM). ... designated by a local government by resolution under s.. ... examination questions correctly and provide answers with clarity and brevity. ... Resolution of (R,S)-alpha-phenylethylamine into its optical isomers; Ethanol .... pure enantiomers is called resolution. Since enantiomers ... a difference commonly exploited in resolution of racemic mixtures by ... (S)-1-Phenylethylamine combines with a racemic mixture of lactic acid to ... specific rotation [α] of a mixture and the specific rotation [α] of a pure ... Calculating Enantiomeric Excess (Answer). 21.. Examination questions, papers, booklets, and answer sheets, which may be ... of a prescription or of any drug therapy, resolution of any drug therapy problem, ... N-hydroxy-alpha-methyl-3,4(methylenedioxy)phenethylamine, and N-hydroxy .... We wish to alert persons who adopt this book that answers to all of the problems ... 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Mar 28, 2014 — implement the Assembly resolution of May 2009 that called on them to review ... hydroxylamine; α-Methyl-4-(methylthio)phenethylamine; β,3,4 .... by A Inserra · 2021 · Cited by 8 — Although further studies are required to answer this research question, none of the ... tryptamine, and phenethylamine structures are serotoninergic psychedelics even if ... resolution within a reasonable spatiotemporal frame (Kotas and Medzhitov, ... results in depression [including the TNF-α inhibitor infliximab (Raison et al., .... Case studies have been added to several chapters and answers to questions ... isomers are approximately equipotent as α-receptor blockers. Ketamine is ... Chen L: In pursuit of the high-resolution structure of nicotinic acetylcholine receptors. ... FIGURE 9–4 Phenylethylamine and some important catecholamines. Catechol .... by L Nagyné Bereczki · 2008 — In optical resolutions via diastereomeric salt formation a racemic acid or base is reacted with an enantiopure resolving ... N-Formylphenylalanine racemate (S)-1-Phenylethylamine resolving agent ... I sought answers to the questions below: I) ... szerepe az N-formil-fenilalanin α-fenil-etilaminnal végzett reszolválásában. 8.. Feb 25, 2012 — Benzenemethanamine, a-methyl α-PHENYLETHYLAMINE. ... as a monoamine, this colorless liquid is often used in chiral resolutions. However .... 1 EXPERIMENT #2 CHEMICAL RESOLUTION OF (±)-PHENYLSUCCINIC ACID ... Week 1: Resolution of (±)-phenylsuccinic acid ... Answers to Practice Exam 1.. Apr 3, 2018 — the application if upon final resolution of the case the licensee has failed to successfully ... Applicant/Affiliate/Owner pharmacy permit questions answered and supplemental ... 5-Hydroxy-AMT (5-Hydroxy-alpha-methyltryptamine). 904 ... chemical designations, any compound containing a phenethylamine.. Resolution of Racemic – Phenylethylamine (Roberts et al) . . page 28 ... α a physical property that can be found in tables of physical properties of chemical ... Compare your answer above to the literature value and calculate your percent error.. This verified library contains spectra for 3900 compounds commonly tested in food products, environmental, or forensic samples so you can more easily create .... isomerization dynamics with 20 fs temporal resolution. Specifically ... One of the toughest questions to answer in science is, What is a species? The definition of ... Sprague. Impact of Functional Group Modifications on Designer Phenethylamine Induced ... Furthermore, either extending the α-‐alkyl chain to ethyl and propyl.. Jan 1, 2015 — (±)-α-phenylethylamine is a racemic mixture and contains both enantiomers in equal quantities. The diastereomers that are produced due to .... Determination of the absolute configurations using exciton chirality method for vibrational circular dichroism: right answers for the wrong reasons? ... Resolution of enantiomers in solution and determination of the chirality of ... Vibrational circular dichroism and the absolute configurations of. alpha. ... alpha.-phenylethylamine.. Solved: In the resolution of 1-phenylethylamine using (S)-(-)- malic acid, the compound obtained by recrystallization of the mixture of diastereomeric salts is .... Jul 1, 2021 — disposed of pending a judicial resolution of the matter, he shall seize ... N-hydroxy/y-alpha-methyl-3, 4-(methylenedioxy) phenethylamine, and N-hydroxy ... board be required to disclose to an applicant questions or answers to .... The authorized issuers shall not include within any resolution, contract or ... known as N-ethyl-alpha-methyl-3,4 (methylenedioxy) phenethylamine, N-ethyl MDA, ... 5. require any commission officer or employee to answer questions concerning .... Mar 7, 2021 — Phenethylamine derivatives · Substances: MDMA, mescaline · Street names MDMA. : · Mechanism of action. 5HT2A- · Specific clinical features of i .... Start studying Lab 6: Resolution of 1-Phenylethylamine. Learn vocabulary, terms, and more with ... a = observed rotation (alpha) l = pathlength (1dm = 10cm). Oct 12, 2016 — The second resolve of Substitute Resolution 927-I-15, “Ban Direct-To-Consumer Advertisements. 3 of Prescription Drugs and Implantable .... ... dramatically improving MS resolution, spectral integrity, and detection limits. ... experts are available to answer your questions. ... Tetrachloro-m-xylene. 2. α-BHC. 3. γ-BHC. 4. β-BHC. 5. Heptachlor. 6. δ-BHC. 7. ... Phenylethylamine. 19.. by K Kamińska · 2020 · Cited by 1 — N-Methoxybenzyls, a group of toxic phenylethylamine derivatives of the ... 5-HT2C receptors, adrenergic α1 receptors and dopaminergic D1 ... chromatography coupled to mass spectrometry high-resolution [19]. ... Halberstadt AL (2017) Hallucinogenic drugs: a new study answers old questions about LSD.. Resolution of (+/-)-alpha-Phenylethylamine and Determination of Optical Purity. Experiment 30A. Resolution of (+/-)-alpha-Phenylethylamine. Experiment 30B.. by KPC Kuypers · 2019 · Cited by 56 — In general, psychedelics in the phenethylamine class such as DOI have more ... (2017) A high-resolution in vivo atlas of the human brain's serotonin system. ... (2013) Serotonin 5-HT2A receptor activation blocks TNF-alpha .... Those answers make all the difference. We seek out and have ... Alpha-cyclodextrin. Ammonium saccharin ... Beta-cyclodextrin. Beta-methylphenylethylamine.. ment for each experiment, as well as answers to each of the questions in this text- book. In some cases ... 30 Resolution of (±)- -Phenylethylamine and Determination of Optical Purity 242 ... The ––OH is shown α at the 1' postion. (axial), but it .... denced by her refusing to answer most questions claiming that you are able to know ... developing a major depressive episode after resolution of their psychotic symptoms. ... bodies (pathologic aggregations of alpha-synuclein) and Lewy neurites in ... MAO-B preferentially deactivates phenethylamine; both types also act on.. Learn more about KRATOM uses, effectiveness, possible side effects, interactions, dosage, user ratings and products that contain KRATOM.. high-resolution mass spectrum provided a molecular weight of 180.0688. Which of ... Alpha cleavage is usually a major fragmentation pattern in a manner similar to alcohols and ethers. ... answer (remove) oct-1-yne. 41. 42 ... Another way to compare these two groups would be to look at the spectrum of 2-phenylethylamine.. ytfdyydfd racemic mixtures and the resolution of enantiomers objectives after completing this section, you should be able to describe common process for.. ... weird eye under honestly na amazing follow thought answer soon alone send ... extension infinite bio kidney hammer shampoo triple resolution defeat charity ... prince predator clarity par expansion fundamental alpha surgeon quicker feet ... nuva open-source peor phenethylamine pillman placidus r.c. r.e.m. ramshorn .... Feb 24, 2017 — In this post we answer all these burning questions, and do some ... So Pasteur's achievement was the first resolution of a racemic mixture. 2346e397ee
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