Chemical Name: (4S)-2-[[[(2R)-2-Amino-2-phenylacetyl]amino]carboxymethyl]-5,5-dimethylthiazolidine-4-carboxylic acid (as per EP)
Synonym: Penicilloic acids of Ampicillin (EP)
Smiles: O=C(NC(C(O)=O)C1SC(C)(C)[C@]([H])(C(O)=O)N1)[C@@](N)([H])C2=CC=CC=C2
Inchi: InChI=1S/C15H21N3O3S/c1-15(2)12(14(20)21)18-10(22-15)8-17-13(19)11(16)9-6-4-3-5-7-9/h3-7,10-12,18H,8,16H2,1-2H3,(H,17,19)(H,20,21)/t10?,11-,12+/m1/s1