Valine and derivatives
N-Boc-D-tert-Leucin, 95 %, Thermo Scientific Chemicals
CAS: 124655-17-0 Summenformel: C11H21NO4 Molekulargewicht (g/mol): 231.29 MDL-Nummer: MFCD00065575 InChI-Schlüssel: LRFZIPCTFBPFLX-JLDDOWRYNA-N Synonym: n-tert-butoxycarbonyl-d-tert-leucine, d-valine, n-1,1-dimethylethoxy carbonyl-3-methyl, boc-d-t-leu, boc-tbu-d-gly-oh, boc-d-alpha-t-butylglycine, r-2-tert-butoxycarbonyl amino-3,3-dimethylbutanoic acid, r-n-tert-butoxycarbonyl-tert-leucine, boc-d-tle-oh, n-boc-d-tert-leucine, boc-d-tert-leucine PubChem CID: 7005057 SMILES: CC(C)(C)OC(=O)N[C@@H](C(O)=O)C(C)(C)C
3-Fluor-DL-Valin, 94 %, Thermo Scientific Chemicals
CAS: 43163-94-6 Summenformel: C5H10FNO2 Molekulargewicht (g/mol): 135.14 MDL-Nummer: MFCD00077549 InChI-Schlüssel: ZFUKCHCGMBNYHH-UHFFFAOYSA-N Synonym: acmc-1cue2, 3-fluorovaline, 3-fluoro-dl-valine PubChem CID: 338887 IUPAC-Name: 2-amino-3-fluor-3-methylbutansäure SMILES: CC(C)(F)C(N)C(O)=O
Thermo Scientific Chemicals D-Cycloserin, 99 %
CAS: 52-67-5 Summenformel: C5H11NO2S Molekulargewicht (g/mol): 149.21 MDL-Nummer: MFCD00064302 InChI-Schlüssel: VVNCNSJFMMFHPL-VKHMYHEASA-N Synonym: d-mercaptovaline, --penicillamine, d-penamine, cuprenil, 3-mercapto-d-valine, depen, d---penicillamine, cuprimine, penicillamine, d-penicillamine PubChem CID: 5852 ChEBI: CHEBI:7959 IUPAC-Name: (2S)-2-Amino-3-methyl-3-sulfanylbutansäure SMILES: CC(C)(C(C(=O)O)N)S
N-Benzyloxycarbonyl-L-Valin-N-Succinimidylester, 98 %, Thermo Scientific Chemicals
CAS: 3496-11-5 MDL-Nummer: MFCD00053547
N-Boc-3-Hydroxy-L-Valin, 97 %, Thermo Scientific Chemicals
CAS: 102507-13-1 Summenformel: C10H19NO5 Molekulargewicht (g/mol): 233.26 MDL-Nummer: MFCD03094792 InChI-Schlüssel: SZVRVSZFEDIMFM-ZCFIWIBFSA-N Synonym: l-valine, n-1,1-dimethylethoxy carbonyl-3-hydroxy, boc-s-2-amino-3-hydroxy-3-methylbutanoic acid, s-2-boc-amino-3-hydroxy-3-methylbutyric acid, n-boc-2-amino-3-hydroxy-3-methylbutanoic acid, 2s-2-n-tert-butoxycarbonyl amino-3-hydroxy-3-methylbutanoic acid, n-tert-butoxycarbonyl-3-hydroxy-l-valine, s-n-boc-2-amino-3-hydroxy-3-methylbutanoic acid, s-2-n-boc-amino-3-hydroxy-3-methylbutyric acid, n-boc-s-2-amino-3-hydroxy-3-methylbutanoic acid, s-2-tert-butoxycarbonyl amino-3-hydroxy-3-methylbutanoic acid PubChem CID: 11075314 IUPAC-Name: (2S)-3-Hydroxy-3-Methyl-2-[(2-methylpropan-2-yl)oxycarbonylamino]butansäure SMILES: CC(C)(C)OC(=O)N[C@H](C(O)=O)C(C)(C)O
L-tert-Leucin, 99 %, Thermo Scientific Chemicals
CAS: 20859-02-3 Summenformel: C6H13NO2 Molekulargewicht (g/mol): 131.18 MDL-Nummer: MFCD00064218 InChI-Schlüssel: NPDBDJFLKKQMCM-SGAVLPGINA-N Synonym: s-2-amino-3,3-dimethylbutyric acid, l-2-amino-3,3-dimethylbutanoic acid, 3-methyl-l-valin, s-2-amino-3,3-dimethylbutanoic acid, h-tle-oh, l-valine,3-methyl, 3-methyl-l-valine, 2s-2-amino-3,3-dimethylbutanoic acid, l-tert-leucine PubChem CID: 164608 IUPAC-Name: (2S)-2-amino-3,3-dimethylbutansäure SMILES: CC(C)(C)[C@H](N)C(O)=O
Thermo Scientific Chemicals N-Carbobenzyloxy-L-Valin, +99 %
CAS: 1149-26-4 Summenformel: C13H17NO4 Molekulargewicht (g/mol): 251.28 MDL-Nummer: MFCD00008922 InChI-Schlüssel: CANZBRDGRHNSGZ-NSHDSACASA-N Synonym: carbobenzyloxy-l-valine, z-valine, carbobenzoxy-l-valine, z-l-val-oh, n-carbobenzoxy-l-valine, n-benzyloxycarbonyl-l-valine, cbz-l-valine, z-val-oh, n-cbz-l-valine, n-carbobenzyloxy-l-valine PubChem CID: 726987 SMILES: CC(C)[C@H](NC(=O)OCC1=CC=CC=C1)C(O)=O
N-Benzyloxycarbonyl-L-Valin99, %, Thermo Scientific Chemicals
CAS: 1149-26-4 Summenformel: C13H17NO4 Molekulargewicht (g/mol): 251.28 MDL-Nummer: MFCD00008922 InChI-Schlüssel: CANZBRDGRHNSGZ-NSHDSACASA-N Synonym: carbobenzyloxy-l-valine, z-valine, carbobenzoxy-l-valine, z-l-val-oh, n-carbobenzoxy-l-valine, n-benzyloxycarbonyl-l-valine, cbz-l-valine, z-val-oh, n-cbz-l-valine, n-carbobenzyloxy-l-valine PubChem CID: 726987 IUPAC-Name: (2S)-3-Methyl-2-(phenylmethoxycarbonylamino)butansäure SMILES: CC(C)[C@H](NC(=O)OCC1=CC=CC=C1)C(O)=O
DL-Valin, Thermo Scientific™
CAS: 516-06-3 Summenformel: C5H11NO2 Molekulargewicht (g/mol): 117.15 MDL-Nummer: MFCD00004267 InChI-Schlüssel: KZSNJWFQEVHDMF-UHFFFAOYSA-N Synonym: 2-aminoisovaleric acid, dl-2-amino-3-methylbutyric acid, dl-.alpha.-aminoisovaleric acid, valina, 2-amino-3-methylbutanoic acid, dl, dl-2-amino-3-methylbutanoic acid, valine, dl, valin, h-dl-val-oh, dl-valine PubChem CID: 1182 ChEBI: CHEBI:27266 IUPAC-Name: 2-amino-3-Methylbutansäure SMILES: CC(C)C(N)C(O)=O
Thermo Scientific Chemicals D-Valin, ≥98 %
CAS: 640-68-6 Summenformel: C5H11NO2 Molekulargewicht (g/mol): 117.15 MDL-Nummer: MFCD00064219 InChI-Schlüssel: KZSNJWFQEVHDMF-SCSAIBSYSA-N Synonym: d-2-amino-3-methylbutanoic acid, unii-y14i1443ur, d-valin, d-2-aminoisovaleric acid, 2r-2-amino-3-methylbutanoic acid, d-val, valine, d, r-valine, h-d-val-oh, d-valine PubChem CID: 71563 ChEBI: CHEBI:27477 IUPAC-Name: (2R)-2-amino-3-methylbutansäure SMILES: CC(C)[C@@H](N)C(O)=O
L(+)-Penicillamin, 98 %, Thermo Scientific Chemicals
CAS: 1113-41-3 Summenformel: C5H11NO2S Molekulargewicht (g/mol): 149.21 MDL-Nummer: MFCD00064303 InChI-Schlüssel: VVNCNSJFMMFHPL-GSVOUGTGSA-N Synonym: 3,3-dimethyl-l-cysteine, unii-no1yib7oig, h-pen-oh, 3-sulfanyl-l-valine, 2r-2-amino-3-methyl-3-sulfanylbutanoic acid, l-pen, l-+-beta-mercaptovaline, penicillamine l-form, 3-mercapto-l-valine, l-penicillamine PubChem CID: 92863 ChEBI: CHEBI:50869 IUPAC-Name: (2R)-2-Amino-3-methyl-3-sulfanylbutansäure SMILES: CC(C)(C(C(=O)O)N)S
N-BOC-L-Tert-Leucin, 98 %, Thermo Scientific Chemicals
CAS: 62965-35-9 Summenformel: C11H21NO4 Molekulargewicht (g/mol): 231.29 MDL-Nummer: MFCD00065574 InChI-Schlüssel: LRFZIPCTFBPFLX-JLDDOWRYNA-N Synonym: n-tert-butoxycarbonyl-l-tert-leucine, boc-l-tle-oh, boc-tbu-gly-oh, boc-alpha-t-butylglycine, boc-l-alpha-t-butylglycine, s-2-tert-butoxycarbonyl amino-3,3-dimethylbutanoic acid, s-n-tert-butoxycarbonyl-tert-leucine, boc-l-tert-leucine, boc-tle-oh, n-boc-l-tert-leucine PubChem CID: 2734668 SMILES: CC(C)(C)OC(=O)N[C@H](C(O)=O)C(C)(C)C
N-Boc-N-Methyl-L-Valin, 95 %, Thermo Scientific Chemicals
CAS: 45170-31-8 Summenformel: C11H21NO4 Molekulargewicht (g/mol): 231.29 MDL-Nummer: MFCD00038760 InChI-Schlüssel: XPUAXAVJMJDPDH-QMMMGPOBSA-N Synonym: pubchem12254, n-boc-n-methylvaline, ambotzbaa1272, 2s-2-tert-butoxycarbonyl methyl amino-3-methylbutanoic acid, l-valine, n-1,1-dimethylethoxy carbonyl-n-methyl, s-2-tert-butoxycarbonyl methyl amino-3-methylbutanoic acid, boc-meval-oh, n-boc-n-methyl-l-valine, boc-n-methyl-l-valine, boc-n-me-val-oh PubChem CID: 7010608 IUPAC-Name: (2S)-3-methyl-2-[methyl-[(2-methylpropan-2-yl)oxycarbonyl]amino]butansäure SMILES: CC(C)[C@H](N(C)C(=O)OC(C)(C)C)C(O)=O
L-Valin, Zellkultur-Reagenz
CAS: 72-18-4 Summenformel: C5H11NO2 Molekulargewicht (g/mol): 117.15 MDL-Nummer: MFCD00064220 InChI-Schlüssel: KZSNJWFQEVHDMF-BYPYZUCNSA-N Synonym: valinum latin, l-alpha-amino-beta-methylbutyric acid, s-2-amino-3-methylbutyric acid, 2s-2-amino-3-methylbutanoic acid, 2-amino-3-methylbutyric acid, h-val-oh, s-2-amino-3-methylbutanoic acid, s-valine, valine, l-valine PubChem CID: 6287 ChEBI: CHEBI:16414 IUPAC-Name: (2S)-2-amino-3-methylbutansäure SMILES: CC(C)[C@H](N)C(O)=O
N-BOC-L-tert-Leucin, 98 %, Thermo Scientific Chemicals
CAS: 62965-35-9 Summenformel: C11H21NO4 Molekulargewicht (g/mol): 231.29 MDL-Nummer: MFCD00065574 InChI-Schlüssel: LRFZIPCTFBPFLX-JLDDOWRYNA-N Synonym: n-tert-butoxycarbonyl-l-tert-leucine, boc-l-tle-oh, boc-tbu-gly-oh, boc-alpha-t-butylglycine, boc-l-alpha-t-butylglycine, s-2-tert-butoxycarbonyl amino-3,3-dimethylbutanoic acid, s-n-tert-butoxycarbonyl-tert-leucine, boc-l-tert-leucine, boc-tle-oh, n-boc-l-tert-leucine PubChem CID: 2734668 SMILES: CC(C)(C)OC(=O)N[C@H](C(O)=O)C(C)(C)C
L-Valinamid Hydrochlorid, 95 %, Thermo Scientific Chemicals
CAS: 3014-80-0 Summenformel: C5H13ClN2O Molekulargewicht (g/mol): 152.62 MDL-Nummer: MFCD00039085 InChI-Schlüssel: XFCNYSGKNAWXFL-WCCKRBBISA-N Synonym: d-valinamide-hcl, h-d-val-nh2 hcl, l-valine amide, butanamide, 2-amino-3-methyl-, monohydrochloride, 2s, 2s-2-amino-3-methylbutanamide, chloride, 2s-2-amino-3-methylbutanamide hydrochloride, l-valine amide hydrochloride, h-val-nh2.hcl, h-val-nh2 hcl, l-valinamide hydrochloride PubChem CID: 13689583 IUPAC-Name: (2S)-2-amino-3-methylbutanamidhydrochlorid SMILES: Cl.CC(C)[C@H](N)C(N)=O
N-(tert-butoxycarbonyl)-L-Valin-N'-Methoxy-N'-Methylamid, 97 %, Thermo Scientific™
CAS: 87694-52-8 Summenformel: C12H24N2O4 Molekulargewicht (g/mol): 260.33 MDL-Nummer: MFCD00151897 InChI-Schlüssel: RRBFCGUIFHFYQK-VIFPVBQESA-N Synonym: 2s-2-tert-butoxy carbonylamino-n-methoxy-3-methyl-n-methylbutanamide, n-alpha-t-butyloxycarbonyl-n-methyl-n-methoxy-l-valine amide, n-boc-l-valinen'-methoxy-n'-methylamide, boc-val-n och3 ch3, tert-butyl n-1s-1-methoxy methyl carbamoyl-2-methylpropyl carbamate, tert-butyl s-1-methoxy methyl amino-3-methyl-1-oxobutan-2-yl carbamate, n-tert-butoxycarbonyl-l-valine n'-methoxy-n'-methylamide, n-boc-l-valine n'-methoxy-n'-methylamide, s-2-boc-amino-n-methoxy-n,3-dimethylbutanamide PubChem CID: 10083961 IUPAC-Name: tert-Butyl-N-[(2S)-1-[methoxy(methyl)amino]-3-methyl-1-oxobutan-2-yl]carbamat SMILES: CON(C)C(=O)[C@@H](NC(=O)OC(C)(C)C)C(C)C
L-tert-Leucin, 99 %
CAS: 20859-02-3 Summenformel: C6H13NO2 Molekulargewicht (g/mol): 131.18 MDL-Nummer: MFCD00064218 InChI-Schlüssel: NPDBDJFLKKQMCM-SGAVLPGINA-N Synonym: s-2-amino-3,3-dimethylbutyric acid, l-2-amino-3,3-dimethylbutanoic acid, 3-methyl-l-valin, s-2-amino-3,3-dimethylbutanoic acid, h-tle-oh, l-valine,3-methyl, 3-methyl-l-valine, 2s-2-amino-3,3-dimethylbutanoic acid, l-tert-leucine PubChem CID: 164608 IUPAC-Name: (2S)-2-amino-3,3-dimethylbutansäure SMILES: CC(C)(C)[C@H](N)C(O)=O
Thermo Scientific Chemicals L-Valin 99 %
CAS: 72-18-4 Summenformel: C5H11NO2 Molekulargewicht (g/mol): 117.15 MDL-Nummer: MFCD00064220 InChI-Schlüssel: KZSNJWFQEVHDMF-BYPYZUCNSA-N Synonym: valinum latin, l-alpha-amino-beta-methylbutyric acid, s-2-amino-3-methylbutyric acid, 2s-2-amino-3-methylbutanoic acid, 2-amino-3-methylbutyric acid, h-val-oh, s-2-amino-3-methylbutanoic acid, s-valine, valine, l-valine PubChem CID: 6287 ChEBI: CHEBI:16414 IUPAC-Name: (2S)-2-amino-3-methylbutanoic acid SMILES: CC(C)[C@H](N)C(O)=O
Thermo Scientific Chemicals DL-Valin, ≥99 %
CAS: 516-06-3 Summenformel: C5H11NO2 Molekulargewicht (g/mol): 117.15 MDL-Nummer: MFCD00004267 InChI-Schlüssel: KZSNJWFQEVHDMF-UHFFFAOYSA-N Synonym: 2-aminoisovaleric acid, dl-2-amino-3-methylbutyric acid, dl-.alpha.-aminoisovaleric acid, valina, 2-amino-3-methylbutanoic acid, dl, dl-2-amino-3-methylbutanoic acid, valine, dl, valin, h-dl-val-oh, dl-valine PubChem CID: 1182 ChEBI: CHEBI:27266 IUPAC-Name: 2-amino-3-methylbutanoic acid SMILES: CC(C)C(N)C(O)=O
Thermo Scientific Chemicals DL-Valin, 99 %
CAS: 516-06-3 Summenformel: C5H11NO2 Molekulargewicht (g/mol): 117.15 MDL-Nummer: MFCD00004267 InChI-Schlüssel: KZSNJWFQEVHDMF-UHFFFAOYSA-N Synonym: 2-aminoisovaleric acid, dl-2-amino-3-methylbutyric acid, dl-.alpha.-aminoisovaleric acid, valina, 2-amino-3-methylbutanoic acid, dl, dl-2-amino-3-methylbutanoic acid, valine, dl, valin, h-dl-val-oh, dl-valine PubChem CID: 1182 ChEBI: CHEBI:27266 IUPAC-Name: 2-amino-3-Methylbutansäure SMILES: CC(C)C(N)C(O)=O
DL-Penicillamin, 97+%, Thermo Scientific Chemicals
CAS: 52-66-4 Summenformel: C5H11NO2S Molekulargewicht (g/mol): 149.21 MDL-Nummer: MFCD00004856 InChI-Schlüssel: VVNCNSJFMMFHPL-UHFFFAOYNA-N Synonym: 2-amino-3-mercapto-3-methylbutyric acid, dl-3-mercaptovaline, d,l-penicillamine, beta-mercaptovaline, dl-beta-mercaptovaline, 3-sulfanylvaline, 3,3-dimethyl-dl-cysteine, +--penicillamine, 2-amino-3-mercapto-3-methylbutanoic acid, dl-penicillamine PubChem CID: 4727 ChEBI: CHEBI:50868 IUPAC-Name: 2-amino-3-Methyl-3-sulfanylbutansäure SMILES: CC(C)(S)C(N)C(O)=O
N-Boc-D-Valin, 98+ %, Thermo Scientific Chemicals
CAS: 22838-58-0 Summenformel: C10H19NO4 Molekulargewicht (g/mol): 217.27 MDL-Nummer: MFCD00038282 InChI-Schlüssel: SZXBQTSZISFIAO-SSDOTTSWSA-N Synonym: n-alpha-t-butyloxycarbonyl-d-valine, r-2-tert-butoxycarbonylamino-3-methylbutanoic acid, n-tert-butoxycarbonyl-d-valin, d-valine, n-1,1-dimethylethoxy carbonyl, r-2-tert-butoxycarbonyl amino-3-methylbutanoic acid, tert-butoxycarbonyl-d-valine, n-tert-butoxycarbonyl-d-valine, n-boc-d-valine, boc-d-val-oh, boc-d-valine PubChem CID: 637605 IUPAC-Name: (2R)-3-Methyl-2-[(2-methylpropan-2-yl)oxycarbonylamino]butansäure SMILES: CC(C)[C@@H](NC(=O)OC(C)(C)C)C(O)=O
N-Benzyloxycarbonyl-D-Valin, 98+%, Thermo Scientific Chemicals
CAS: 1685-33-2 Summenformel: C13H17NO4 Molekulargewicht (g/mol): 251.28 MDL-Nummer: MFCD00065703 InChI-Schlüssel: CANZBRDGRHNSGZ-LLVKDONJSA-N Synonym: d-valine, n-phenylmethoxy carbonyl, r-2-benzyloxy carbonyl amino-3-methylbutanoic acid, benzyloxycarbonyl-d-valine, n-carbobenzoxy-d-valine, z-d-valine, n-cbz-d-valine, cbz-d-val-oh, n-benzyloxycarbonyl-d-valine, cbz-d-valine, z-d-val-oh PubChem CID: 712434 IUPAC-Name: (2R)-3-Methyl-2-(phenylmethoxycarbonylamino)butansäure SMILES: CC(C)[C@@H](NC(=O)OCC1=CC=CC=C1)C(O)=O
D-tert-Leucin, 99 %, Thermo Scientific Chemicals
CAS: 26782-71-8 Summenformel: C6H13NO2 Molekulargewicht (g/mol): 131.18 MDL-Nummer: MFCD00004265 InChI-Schlüssel: NPDBDJFLKKQMCM-UHFFFAOYNA-N Synonym: d-valine, 3-methyl, h-tbu-d-gly-oh, d-t-butylglycine, 2r-2-amino-3,3-dimethylbutanoic acid, r-tert-leucine, d-t-leucine, r-2-amino-3,3-dimethylbutanoic acid, d-tert-butylglycine, h-d-tle-oh, d-tert-leucine PubChem CID: 6950340 IUPAC-Name: (2R)-2-amino-3,3-Dimethylbutansäure SMILES: CC(C)(C)C(N)C(O)=O
BOC-L-Valin, 99+ %, Thermo Scientific Chemicals
CAS: 13734-41-3 Summenformel: C10H19NO4 Molekulargewicht (g/mol): 217.27 MDL-Nummer: MFCD00065605 InChI-Schlüssel: SZXBQTSZISFIAO-ZETCQYMHSA-N Synonym: n-tert-butyloxycarbonyl-l-valine, n-boc-l-valine, s-2-tert-butoxycarbonyl amino-3-methylbutanoic acid, s-2-boc-amino-3-methylbutyric acid, boc-l-val-oh, tert-butoxycarbonylvaline, n-tert-butoxycarbonyl-l-valine, boc-l-valine, boc-val-oh PubChem CID: 83693 SMILES: CC(C)[C@H](NC(=O)OC(C)(C)C)C(O)=O
N-Benzyloxycarbonyl-L-Tert-Leucin, 99 %, Thermo Scientific™
CAS: 62965-10-0 Summenformel: C14H19NO4 Molekulargewicht (g/mol): 265.31 MDL-Nummer: MFCD00137411 InChI-Schlüssel: NSVNKQLSGGKNKB-LDGXTIHJNA-N Synonym: cbzl-l-tert-leucine, z-tle, cbz-tle-oh, s-2-benzyloxycarbonylamino-3,3-dimethylbutanoic acid, n-benzyloxycarbonyl-l-tert-leucine, 2s-2-benzyloxy carbonyl amino-3,3-dimethylbutanoic acid, s-2-benzyloxy carbonyl amino-3,3-dimethylbutanoic acid, cbz-l-tert-leucine PubChem CID: 9899995 SMILES: CC(C)(C)[C@H](NC(=O)OCC1=CC=CC=C1)C(O)=O
(S)-(+)-2-Amino-3-Hydroxy-3-Methylbutanoicsäure 98 % (94% e.e.), Thermo Scientific Chemicals
CAS: 2280-27-5 Summenformel: C5H11NO3 Molekulargewicht (g/mol): 133.15 InChI-Schlüssel: LDRFQSZFVGJGGP-GSVOUGTGSA-N Synonym: 3-hydroxy-l-val, 3-methylthreonine, 3-hydroxyvaline, 2s-2-amino-3-hydroxy-3-methyl-butanoic acid, 2s-2-amino-3-hydroxy-3-methylbutanoic acid, valine, 3-hydroxy, beta-hydroxy-l-valine, s-+-2-amino-3-hydroxy-3-methylbutanoic acid, 3-hydroxy-l-valine, s-2-amino-3-hydroxy-3-methylbutanoic acid PubChem CID: 192763 IUPAC-Name: (2S)-2-Amino-3-hydroxy-3-methylbutansäure SMILES: CC(C)(C(C(=O)O)N)O
DL-tert-Leucin, 95 %, Thermo Scientific Chemicals
CAS: 33105-81-6 Summenformel: C6H13NO2 Molekulargewicht (g/mol): 131.18 MDL-Nummer: MFCD00065933 InChI-Schlüssel: NPDBDJFLKKQMCM-UHFFFAOYSA-N Synonym: dl-t-butylglycine, t-butylglycine, 3-methyl valine, 2-amino-3,3-dimethyl-butyric acid, 3-methylvaline, tert-leucine, h-dl-tle-oh, tert-butylglycine, dl-tert-butylglycine, dl-tert-leucine PubChem CID: 306131 ChEBI: CHEBI:72770 IUPAC-Name: 2-amino-3,3-dimethylbutansäure SMILES: CC(C)(C)C(N)C(O)=O
