is tautomer of loracarbef zwitterion (6R,7S)-7-{[(2R)-2-ammonio-2-phenylacetyl]amino}-3-chloro-8-oxo-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate 349.083 349.76900 7beta-[(2R)-2-ammonio-2-phenylacetyl]nitrilo-3-chloro-3,4-didehydrocepham-4-carboxylate C16H16ClN3O4 CHEBI:214480 InChI=1S/C16H16ClN3O4/c17-9-6-7-10-12(15(22)20(10)13(9)16(23)24)19-14(21)11(18)8-4-2-1-3-5-8/h1-5,10-12H,6-7,18H2,(H,19,21)(H,23,24)/t10-,11-,12+/m1/s1 JAPHQRWPEGVNBT-UTUOFQBUSA-N The zwitterionic form of loracarbef. Wikipedia:Loracarbef [NH3+][C@@H](C(=O)N[C@H]1[C@H]2CCC(Cl)=C(N2C1=O)C([O-])=O)c1ccccc1 chebi_ontology loracarbef zwitterion loracarbef carbacephem