monocarboxylic acid nocardicin nocardicin E (2R)-{(3S)-3-[(2Z)-2-(hydroxyimino)-2-(4-hydroxyphenyl)acetamido]-2-oxoazetidin-1-yl}(4-hydroxyphenyl)acetic acid 399.107 399.35430 Beilstein:3598528 C19H17N3O7 CAS:63555-59-9 CHEBI:14663 CHEBI:25571 CHEBI:29091 InChI=1S/C19H17N3O7/c23-12-5-1-10(2-6-12)15(21-29)17(25)20-14-9-22(18(14)26)16(19(27)28)11-3-7-13(24)8-4-11/h1-8,14,16,23-24,29H,9H2,(H,20,25)(H,27,28)/b21-15-/t14-,16+/m0/s1 KEGG:C01739 NMMOYDKOFASOBV-HKHZIIAMSA-N O\N=C(/C(=O)N[C@H]1CN([C@@H](C(O)=O)c2ccc(O)cc2)C1=O)c1ccc(O)cc1 chebi_ontology