D-alpha-amino acid nocardicin A 500.154 500.45810 C23H24N4O9 CAS:39391-39-4 CHEBI:14662 CHEBI:17711 CHEBI:25570 CHEBI:7604 CTNZOGJNVIFEBA-UPSUJEDGSA-N InChI=1S/C23H24N4O9/c24-16(22(31)32)9-10-36-15-7-3-12(4-8-15)18(26-35)20(29)25-17-11-27(21(17)30)19(23(33)34)13-1-5-14(28)6-2-13/h1-8,16-17,19,28,35H,9-11,24H2,(H,25,29)(H,31,32)(H,33,34)/b26-18-/t16-,17+,19-/m1/s1 KEGG:C01941 KNApSAcK:C00018088 N[C@H](CCOc1ccc(cc1)C(=N\O)\C(=O)N[C@H]1CN([C@@H](C(O)=O)c2ccc(O)cc2)C1=O)C(O)=O Nocardicin A O-{4-[(1Z)-2-{(3S)-1-[(R)-carboxy(4-hydroxyphenyl)methyl]-2-oxoazetidin-3-ylamino}-N-hydroxy-2-oxoethanimidoyl]phenyl}-D-homoserine chebi_ontology nocardicin dicarboxylic acid D-serine derivative