Amino acids and derivatives

L(+)-Arginine, 98+%, ACROS Organics™

CAS: 74-79-3 Molecular Formula: C6H14N4O2 Molecular Weight (g/mol): 174.204 MDL Number: MFCD00002635 InChI Key: ODKSFYDXXFIFQN-BYPYZUCNSA-N Synonym: l-arginine, arginine, l-+-arginine, l-arg, l +-arginine, s-2-amino-5-guanidinopentanoic acid, h-arg-oh, arginina, arginine, l PubChem CID: 6322 ChEBI: CHEBI:16467 IUPAC Name: (2S)-2-amino-5-(diaminomethylideneamino)pentanoic acid SMILES: C(CC(C(=O)O)N)CN=C(N)N

Alfa Aesar™ N,N'-Di-Boc-L-histidine dicyclohexylammonium salt, 95%

CAS: 31687-58-8 Molecular Formula: C28H48N4O6 Molecular Weight (g/mol): 536.714 InChI Key: WBGMQHNUPJENDC-MERQFXBCSA-N Synonym: boc-his boc-oh.dcha, boc-his boc-oh dcha, boc-his boc-ohdcha, boc-his boc .dcha, n,1-bis tert-butoxycarbonyl-l-histidine, compound with dicyclohexylamine 1:1, pubchem18934, n,1-bis boc-l-histidine dicyclohexylamine salt, boc-his boc-ohcha, boc-his boc-oh?cha, boc-his boc-oh toluene solvate PubChem CID: 16211319 IUPAC Name: N-cyclohexylcyclohexanamine;(2S)-2-[(2-methylpropan-2-yl)oxycarbonylamino]-3-[1-[(2-methylpropan-2-yl)oxycarbonyl]imidazol-4-yl]propanoic acid SMILES: CC(C)(C)OC(=O)NC(CC1=CN(C=N1)C(=O)OC(C)(C)C)C(=O)O.C1CCC(CC1)NC2CCCCC2

N-Acetyl-L-cysteine, 98%, ACROS Organics™

CAS: 616-91-1 Molecular Formula: C5H9NO3S Molecular Weight (g/mol): 163.19 MDL Number: MFCD00004880 InChI Key: PWKSKIMOESPYIA-BYPYZUCNSA-N Synonym: n-acetyl-l-cysteine, acetylcysteine, n-acetylcysteine, mercapturic acid, acetadote, l-acetylcysteine, broncholysin, fluimucil, mucomyst, fluprowit PubChem CID: 12035 ChEBI: CHEBI:28939 IUPAC Name: (2R)-2-acetamido-3-sulfanylpropanoic acid SMILES: CC(=O)NC(CS)C(=O)O

L-Glutamine, 99%, Alfa Aesar™

CAS: 56-85-9 Molecular Formula: C5H10N2O3 Molecular Weight (g/mol): 146.146 MDL Number: MFCD00008044 InChI Key: ZDXPYRJPNDTMRX-VKHMYHEASA-N Synonym: l-glutamine, glutamine, levoglutamide, l-+-glutamine, glutamic acid amide, h-gln-oh, stimulina, cebrogen, glumin, levoglutamid PubChem CID: 5961 ChEBI: CHEBI:18050 IUPAC Name: (2S)-2,5-diamino-5-oxopentanoic acid SMILES: C(CC(=O)N)C(C(=O)O)N

Alfa Aesar™ L-(+)-Asparagine, 99%

CAS: 70-47-3 Molecular Formula: C4H8N2O3 Molecular Weight (g/mol): 132.119 MDL Number: MFCD00064401 InChI Key: DCXYFEDJOCDNAF-REOHCLBHSA-N Synonym: l-asparagine, asparagine, s-asparagine, aspartamic acid, agedoite, altheine, h-asn-oh, crystal vi, asparamide, asparagine acid PubChem CID: 6267 ChEBI: CHEBI:17196 IUPAC Name: (2S)-2,4-diamino-4-oxobutanoic acid SMILES: C(C(C(=O)O)N)C(=O)N

(4S)-(-)-4-Isopropyl-2-oxazolidinone, 98%, ACROS Organics™

CAS: 17016-83-0 Molecular Formula: C6H11NO2 Molecular Weight (g/mol): 129.16 MDL Number: MFCD00010847 InChI Key: YBUPWRYTXGAWJX-RXMQYKEDSA-N Synonym: s-4-isopropyl-2-oxazolidinone, s---4-isopropyl-2-oxazolidinone, 4s---4-isopropyl-2-oxazolidinone, s-4-isopropyloxazolidin-2-one, 4s-4-isopropyl-1,3-oxazolidin-2-one, 2-oxazolidinone, 4-1-methylethyl-, 4s, 4s-4-propan-2-yl-1,3-oxazolidin-2-one, 4s---isopropyl-2-oxazolidinone, 4 s-1-methylethyl-2-oxazolidinone, 4s---4-isopropyl-2-oxazolidinon PubChem CID: 7157133 IUPAC Name: (4S)-4-propan-2-yl-1,3-oxazolidin-2-one SMILES: CC(C)C1COC(=O)N1

Alfa Aesar™ L-Glutamine, Cell Culture Reagent

CAS: 56-85-9 Molecular Formula: C5H10N2O3 Molecular Weight (g/mol): 146.146 MDL Number: MFCD00008044 InChI Key: ZDXPYRJPNDTMRX-VKHMYHEASA-N Synonym: l-glutamine, glutamine, levoglutamide, l-+-glutamine, glutamic acid amide, h-gln-oh, stimulina, cebrogen, glumin, levoglutamid PubChem CID: 5961 ChEBI: CHEBI:18050 IUPAC Name: (2S)-2,5-diamino-5-oxopentanoic acid SMILES: C(CC(=O)N)C(C(=O)O)N

L-Glutamic Acid, 99+%, Monosodium Salt, MP Biomedicals

CAS: 142-47-2 Molecular Formula: C5H9NNaO4 Molecular Weight (g/mol): 170.12 InChI Key: UVZZAUIWJCQWEO-DFWYDOINSA-N Synonym: natriumglutaminat, sodium glutamate, glutamate sodium, monosodioglutammato, sodium l-glutamate, glutammato monosodico, monosodium l-glutamate, sodium hydrogen glutamate, monosodium glutamate, glutamic acid, monosodium salt PubChem CID: 86748263 IUPAC Name: (2S)-2-aminopentanedioic acid;sodium SMILES: C(CC(=O)O)C(C(=O)O)N.[Na]

L-Glutamine, 99-100%, MP Biomedicals

CAS: 56-85-9 Molecular Formula: C5H10N2O3 Molecular Weight (g/mol): 146.146 InChI Key: ZDXPYRJPNDTMRX-VKHMYHEASA-N Synonym: l-glutamine, glutamine, levoglutamide, l-+-glutamine, glutamic acid amide, h-gln-oh, stimulina, cebrogen, glumin, levoglutamid PubChem CID: 5961 ChEBI: CHEBI:18050 IUPAC Name: (2S)-2,5-diamino-5-oxopentanoic acid SMILES: C(CC(=O)N)C(C(=O)O)N

Alfa Aesar™ N-Acetyl-L-phenylalanine, 99%

CAS: 2018-61-3 Molecular Formula: C11H13NO3 Molecular Weight (g/mol): 207.229 MDL Number: MFCD00063158 InChI Key: CBQJSKKFNMDLON-JTQLQIEISA-N Synonym: n-acetyl-l-phenylalanine, ac-phe-oh, acetyl-l-phenylalanine, acetylphenylalanine, l-n-acetylphenylalanine, s-2-acetamido-3-phenylpropanoic acid, phenylalanine, n-acetyl, n-acetyl-3-phenyl-l-alanine, unii-np5bt39467, 2s-2-acetamido-3-phenylpropanoic acid PubChem CID: 74839 ChEBI: CHEBI:16259 IUPAC Name: (2S)-2-acetamido-3-phenylpropanoic acid SMILES: CC(=O)NC(CC1=CC=CC=C1)C(=O)O

Alfa Aesar™ Nepsilon-Benzyloxycarbonyl-D-lysine, 95%

CAS: 34404-32-5 Molecular Formula: C14H20N2O4 Molecular Weight (g/mol): 280.324 MDL Number: MFCD00063120 InChI Key: CKGCFBNYQJDIGS-GFCCVEGCSA-N Synonym: h-d-lys z-oh, n6-phenylmethoxy carbonyl-r-lysine, r-2-amino-6-benzyloxy carbonyl amino hexanoic acid, 2r-2-amino-6-benzyloxy carbonyl amino hexanoic acid, n-e-z-d-lysine, ambotzhaa6320, nepsilon-cbz-d-lysine, d-lys z-oh, nepsilon-carbobenzoxy-d-lysine, n6-benzyloxycarbonyl-d-lysine PubChem CID: 1551330 IUPAC Name: (2R)-2-amino-6-(phenylmethoxycarbonylamino)hexanoic acid SMILES: C1=CC=C(C=C1)COC(=O)NCCCCC(C(=O)O)N

Alfa Aesar™ L-Aspartic acid 1-benzyl ester, 98%

CAS: 7362-93-8 Molecular Formula: C11H13NO4 Molecular Weight (g/mol): 223.228 MDL Number: MFCD00063186 InChI Key: NJSRYBIBUXBNSW-VIFPVBQESA-N Synonym: h-asp-obzl, l-aspartic acid benzyl ester, l-aspartic acid 1-benzyl ester, s-3-amino-4-benzyloxy-4-oxobutanoic acid, 1-benzyl l-aspartate, 3s-3-amino-4-oxo-4-phenylmethoxybutanoic acid, 3s-3-amino-4-benzyloxy-4-oxobutanoic acid, h-asp-obzl.hcl, h-asp obzl, pubchem14915 PubChem CID: 6994684 IUPAC Name: (3S)-3-amino-4-oxo-4-phenylmethoxybutanoic acid SMILES: C1=CC=C(C=C1)COC(=O)C(CC(=O)O)N

Alfa Aesar™ D-Glutamine, 99+%

CAS: 5959-95-5 Molecular Formula: C5H10N2O3 Molecular Weight (g/mol): 146.146 MDL Number: MFCD00065607 InChI Key: ZDXPYRJPNDTMRX-GSVOUGTGSA-N Synonym: d-glutamine, h-d-gln-oh, d-2-aminoglutaramic acid, l +-glutamine, 2r-2-amino-4-carbamoylbutanoic acid, r-2,5-diamino-5-oxopentanoic acid, d-glutamic acid 5-amide, d-glutamin, unii-63hb36ca2y, d-gln PubChem CID: 145815 ChEBI: CHEBI:17061 IUPAC Name: (2R)-2,5-diamino-5-oxopentanoic acid SMILES: C(CC(=O)N)C(C(=O)O)N

Alfa Aesar™ trans-4-(Boc-amino)cyclohexaneacetaldehyde, 97%

CAS: 215790-29-7 Molecular Formula: C13H23NO3 Molecular Weight (g/mol): 241.331 MDL Number: MFCD03844592 InChI Key: OPGBSEXLSWYFOR-UHFFFAOYSA-N Synonym: tert-butyl trans-4-2-oxoethyl cyclohexylcarbamate, tert-butyl cis-4-2-oxoethyl cyclohexylcarbamate, tert-butyl n-4-2-oxoethyl cyclohexyl carbamate, carbamic acid,n-trans-4-2-oxoethyl cyclohexyl-, 1,1-dimethylethyl ester, opgbsexlswyfor-xypyzodxsa-n, tert-butyl 4-2-oxoethyl cyclohexyl carbamate, cis-tert-butyl 4-2-oxoethyl cyclohexyl carbamate, trans-tert-butyl-4-2-oxoethyl-cyclohexylcarbamate, cis-4-tert-butoxycarbonylamino cyclohexylacetaldehyde, tert-butyl trans-4-2-oxoethyl cyclohexyl carbamate PubChem CID: 24720884 IUPAC Name: tert-butyl N-[4-(2-oxoethyl)cyclohexyl]carbamate SMILES: CC(C)(C)OC(=O)NC1CCC(CC1)CC=O

Alfa Aesar™ L-Serine methyl ester hydrochloride, 98%

CAS: 5680-80-8 Molecular Formula: C4H10ClNO3 Molecular Weight (g/mol): 155.578 MDL Number: MFCD00063680 InChI Key: NDBQJIBNNUJNHA-DFWYDOINSA-N Synonym: l-serine methyl ester hydrochloride, h-ser-ome.hcl, methyl l-serinate hydrochloride, s-methyl 2-amino-3-hydroxypropanoate hydrochloride, methyl 2s-2-amino-3-hydroxypropanoate hydrochloride, l-serine, methyl ester, hydrochloride, l-methyl serinate hcl, serine methyl ester hydrochloride, l-serine methyl ester hcl, h-ser-ome-hcl PubChem CID: 2723730 IUPAC Name: methyl (2S)-2-amino-3-hydroxypropanoate;hydrochloride SMILES: COC(=O)C(CO)N.Cl

DL-Buthionine (S,R)-sulfoximine, 99%, ACROS Organics™

CAS: 5072-26-4 Molecular Formula: C8H18N2O3S Molecular Weight (g/mol): 222.31 MDL Number: MFCD00070309 InChI Key: KJQFBVYMGADDTQ-UHFFFAOYSA-N Synonym: buthionine sulfoximine, dl-buthionine-s,r-sulfoximine, buthionine sulfoxamine, buthione sulfoximine, buthionine-s,r-sulfoximine, 2-amino-4-s-butylsulfonimidoyl butanoic acid, butionine sulfoximine, buthionine sulphoximine, 2-amino-4-butylsulfonimidoyl butanoic acid, butanoic acid, 2-amino-4-s-butylsulfonimidoyl PubChem CID: 21157 ChEBI: CHEBI:28714 IUPAC Name: 2-amino-4-(butylsulfonimidoyl)butanoic acid SMILES: CCCCS(=N)(=O)CCC(C(=O)O)N

Alfa Aesar™ 2-Phenyl-L-glycinamide hydrochloride, 97%

CAS: 60079-51-8 Molecular Formula: C8H11ClN2O Molecular Weight (g/mol): 186.639 MDL Number: MFCD00270568 InChI Key: LXOAFHGMXCFTOU-FJXQXJEOSA-N Synonym: s-2-amino-2-phenylacetamide hydrochloride, l-phenylglycine amide hydrochloride, h-phg-nh2 hcl, h-phg-nh2.hcl, 2s-2-amino-2-phenylacetamide hydrochloride, hpphg-nh2 hcl, h-phg-nh2 . hcl, phenylglycine amide hydrochloride, s-2-amino-2-phenyl-acetamide hydrochloride, alphas-alpha-amino-benzeneacetamide hydrochloride PubChem CID: 22850726 IUPAC Name: (2S)-2-amino-2-phenylacetamide;hydrochloride SMILES: C1=CC=C(C=C1)C(C(=O)N)N.Cl

Alfa Aesar™ (-)-2,5-Dihydro-D-phenylglycine, 97%

CAS: 26774-88-9 Molecular Formula: C8H11NO2 Molecular Weight (g/mol): 153.181 MDL Number: MFCD00137746 InChI Key: JBJJTCGQCRGNOL-SSDOTTSWSA-N Synonym: r-2-amino-2-cyclohexa-1,4-dien-1-yl acetic acid, r---2-2,5-dihydrophenyl glycine, unii-451nq27tg5, 2,5-dihydrophenylglycine, d, r---2-amino-2-cyclohexa-1,4-dienyl acetic acid, d---2-2,5-dihydrophenyl glycine, r-alpha-amino-1,4-cyclohexadiene-1-acetic acid, 2r-2-amino-2-cyclohexa-1,4-dienylacetic acid, r-amino cyclohexa-1,4-dien-1-yl acetic acid, d-cyclohexadienylglycine PubChem CID: 1268102 IUPAC Name: (2R)-2-amino-2-cyclohexa-1,4-dien-1-ylacetic acid SMILES: C1C=CCC(=C1)C(C(=O)O)N

Alfa Aesar™ N-Acryloylsarcosine methyl ester, 97%, stab. with 250ppm 4-methoxyphenol

CAS: 72065-23-7 Molecular Formula: C7H11NO3 Molecular Weight (g/mol): 157.169 MDL Number: MFCD00151792 InChI Key: ZCQGVFNHUATAJY-UHFFFAOYSA-N Synonym: n-acryloylsarcosine methyl ester, acryloylsarcosine methyl ester, methyl 2-n-methylprop-2-enamido acetate, methyl 2-n-methylacrylamido acetate, n-acryloyl-n-methylglycine methyl ester, methyl 2-n-methylprop-2-enoylamino acetate, methyl 2-methyl prop-2-enoyl amino ethanoate, 2-methyl 1-oxoprop-2-enyl amino acetic acid methyl ester, glycine,n-methyl-n-1-oxo-2-propen-1-yl-, methyl ester PubChem CID: 7015777 IUPAC Name: methyl 2-[methyl(prop-2-enoyl)amino]acetate SMILES: CN(CC(=O)OC)C(=O)C=C

Alfa Aesar™ N-Fmoc-4-chloro-D-phenylalanine, 98%

CAS: 142994-19-2 Molecular Formula: C24H20ClNO4 Molecular Weight (g/mol): 421.877 MDL Number: MFCD00077066 InChI Key: CQPNKLNINBUUOM-JOCHJYFZSA-N Synonym: fmoc-4-chloro-d-phenylalanine, fmoc-d-phe 4-cl-oh, fmoc-d-4-chlorophe, fmoc-d-4-chlorophenylalanine, fmoc-d-pclphe-oh, fmoc-p-chloro-d-phe-oh, fmoc-4-chloro-d-phe-oh, fmoc-pcl-d-phe-oh, d-phenylalanine, 4-chloro-n-9h-fluoren-9-ylmethoxy carbonyl, r-2-9h-fluoren-9-yl methoxy carbonyl amino-3-4-chlorophenyl propanoic acid PubChem CID: 16213163 IUPAC Name: (2R)-3-(4-chlorophenyl)-2-(9H-fluoren-9-ylmethoxycarbonylamino)propanoic acid SMILES: C1=CC=C2C(=C1)C(C3=CC=CC=C32)COC(=O)NC(CC4=CC=C(C=C4)Cl)C(=O)O

Alfa Aesar™ L-Serinyl diphenylborinate, 95%

CAS: 16657-63-9 Molecular Formula: C15H16BNO3 Molecular Weight (g/mol): 269.107 MDL Number: MFCD22125144 InChI Key: KEEDBWSHNMLMJV-AWEZNQCLSA-N Synonym: diphenylboranyl 2s-2-amino-3-hydroxypropanoate, l-serinyl diphenylborinate PubChem CID: 99738136 IUPAC Name: diphenylboranyl (2S)-2-amino-3-hydroxypropanoate SMILES: B(C1=CC=CC=C1)(C2=CC=CC=C2)OC(=O)C(CO)N

Alfa Aesar™ Methyl (+/-)-1-benzyloxycarbonyl-4-Boc-piperazine-2-carboxylate

CAS: 126937-42-6 Molecular Formula: C19H26N2O6 Molecular Weight (g/mol): 378.425 MDL Number: MFCD03426296 InChI Key: FUMOVDZJNXKHJM-UHFFFAOYSA-N Synonym: 1-benzyl 4-tert-butyl 2-methyl piperazine-1,2,4-tricarboxylate, methyl n-4-boc-n-1-cbz-2-piperazinecarboxylate, methyl 4-boc-1-cbz-2-piperazinecarboxylate, methyl 4-n-boc-1-n-cbz-2-piperazine carboxylate, 4-n-boc-1-n-cbz-piperazine-2-carboxylic acid methyl ester, methyl +/--4-n-boc-1-n-benyloxycarbonyl-2-piperazinecarboxylate, +/--1-benzyloxycarbonyl-4-boc-piperazine-2-carboxylic acid methyl ester, piperazine-1,2,4-tricarboxylic acid 1-benzyl ester 4-tert-butyl ester 2-methyl ester, methyl4-boc-1-cbz-2-piperazinecarboxylate, 2-methyl 4-tert-butyl 1-benzyl piperazine-1,2,4-tricarboxylate PubChem CID: 4451965 IUPAC Name: 1-O-benzyl 4-O-tert-butyl 2-O-methyl piperazine-1,2,4-tricarboxylate SMILES: CC(C)(C)OC(=O)N1CCN(C(C1)C(=O)OC)C(=O)OCC2=CC=CC=C2

L(+)-Lysine Monohydrochloride, ≥99%, ACROS Organics™

CAS: 657-27-2 Molecular Formula: C6H15ClN2O2 Molecular Weight (g/mol): 182.648 MDL Number: MFCD00064564 InChI Key: BVHLGVCQOALMSV-JEDNCBNOSA-N Synonym: l-lysine hydrochloride, l-lysine monohydrochloride, lysine hydrochloride, h-lys-oh.hcl, l-lysine, monohydrochloride, lyamine, darvyl, lysion, s-2,6-diaminohexanoic acid hydrochloride, enisyl PubChem CID: 69568 ChEBI: CHEBI:53633 IUPAC Name: (2S)-2,6-diaminohexanoic acid;hydrochloride SMILES: C(CCN)CC(C(=O)O)N.Cl

Alfa Aesar™ L-Lysine methyl ester dihydrochloride, 99%

CAS: 26348-70-9 Molecular Formula: C7H18Cl2N2O2 Molecular Weight (g/mol): 233.133 MDL Number: MFCD00039067 InChI Key: SXZCBVCQHOJXDR-ILKKLZGPSA-N Synonym: l-lysine methyl ester dihydrochloride, h-lys-ome.2hcl, methyl l-lysinate dihydrochloride, l-lysine methyl ester 2hcl, s-methyl 2,6-diaminohexanoate dihydrochloride, l-lysine, methyl ester, dihydrochloride, methyl l-lysinate hcl, lysine, methyl ester, dihydrochloride, methyl 2s-2,6-diaminohexanoate dihydrochloride, h-lys-ome PubChem CID: 117778 IUPAC Name: methyl (2S)-2,6-diaminohexanoate;dihydrochloride SMILES: COC(=O)C(CCCCN)N.Cl.Cl

Alfa Aesar™ 4-(Boc-amino)piperidine, 96%

CAS: 73874-95-0 Molecular Formula: C10H20N2O2 Molecular Weight (g/mol): 200.282 MDL Number: MFCD00798171 InChI Key: CKXZPVPIDOJLLM-UHFFFAOYSA-N Synonym: 4-boc-aminopiperidine, tert-butyl piperidin-4-ylcarbamate, 4-n-boc-aminopiperidine, 4-boc-amino piperidine, 4-n-boc-amino piperidine, tert-butyl n-piperidin-4-yl carbamate, 4-tert-butoxycarbonylamino piperidine, 4-n-boc-amino-piperidine, 4-boc-amino-piperidine, 4-n-boc amino piperidine PubChem CID: 723833 IUPAC Name: tert-butyl N-piperidin-4-ylcarbamate SMILES: CC(C)(C)OC(=O)NC1CCNCC1

Alfa Aesar™ 2-Bromo-L-phenylalanine, 95%

CAS: 42538-40-9 Molecular Formula: C9H10BrNO2 Molecular Weight (g/mol): 244.088 MDL Number: MFCD03092958 InChI Key: JFVLNTLXEZDFHW-QMMMGPOBSA-N Synonym: l-2-bromophenylalanine, 2-bromo-l-phenylalanine, s-2-amino-3-2-bromophenyl propanoic acid, 2-bromophenylalanine, 2s-2-amino-3-2-bromophenyl propanoic acid, h-phe 2-br-oh, o-bromo-l-phenylalanine, l-2-br-phe-oh, s-2-bromophenylalanine, l-2-bromophe PubChem CID: 193338 IUPAC Name: (2S)-2-amino-3-(2-bromophenyl)propanoic acid SMILES: C1=CC=C(C(=C1)CC(C(=O)O)N)Br

DL-1,4-Dithiothreitol, For Biochemistry, 1M solution in water, ACROS Organics™

CAS: 3483-12-3 Molecular Formula: C4H10O2S2 Molecular Weight (g/mol): 154.24 MDL Number: MFCD00004877 InChI Key: VHJLVAABSRFDPM-IMJSIDKUSA-N Synonym: z-val-osu, n-cbz-l-valine succinimidyl ester, s-2,5-dioxopyrrolidin-1-yl 2-benzyloxy carbonyl amino-3-methylbutanoate, l-valine,n-phenylmethoxy carbonyl-, 2,5-dioxo-1-pyrrolidinyl ester, zvalosu, 2,5-dioxopyrrolidin-1-yl 2s-2-benzyloxy carbonyl amino-3-methylbutanoate, cbz-val-osu, ksc496o1j, benzyl s-1-2,5-dioxo-1-pyrrolidinyl oxy carbonyl-2-methylpropyl carbamate, n-cbz-valinyl oxy-succinimide PubChem CID: 853556 IUPAC Name: (2,5-dioxopyrrolidin-1-yl) (2S)-3-methyl-2-(phenylmethoxycarbonylamino)butanoate SMILES: O[C@@H](CS)[C@@H](O)CS

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