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)
Smile: O=C(C(NC([C@@](N)([H])C1=CC=CC=C1)=O)[C@@H]2SC(C)(C)[C@@](C(O)=O)([H])N2)O