Pivampicillin

Chemical Name: 4-​Thia-​1-​azabicyclo[3.2.0]​heptane-​2-​carboxylic acid, 6-​[[(2R)​-​2-​amino-​2-​phenylacetyl]​amino]​-​3,​3-​dimethyl-​7-​oxo-​, (2,​2-​dimethyl-​1-​oxopropoxy)​methyl ester, (2S,​5R,​6R)​-; 4-Thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid, 6-(2-amino-2-phenylacetamido)-3,3-dimethyl-7-oxo-, hydroxymethyl ester pivalate (ester), D-(-)- (8CI) 4-Thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid, 6-[(aminophenylacetyl)amino]-3,3-dimethyl-7-oxo-, (2,2-dimethyl-1-oxopropoxy)methyl ester, [2S-[2α,5α,6β(S*)]]- 4-Thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid, 6-[[(2R)-aminophenylacetyl]amino]-3,3-dimethyl-7-oxo-, (2,2-dimethyl-1-oxopropoxy)methyl ester, (2S,5R,6R)- (9CI); Ampicillin pivaloyloxymethyl ester; Hydroxymethyl 6-(2-amino-2-phenylacetamido)-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylate pivalate (ester); MK 191; Pivaloylampicillin; Pivaloyloxymethyl D-α-aminobenzylpenicillinate; Pivaloyloxymethyl ampicillinate

Synonym: Ketorolac 1-Imino Impurity

Smile: O=C([C@@H]1N(C2=O)[C@]([C@@H]2NC([C@@H](C3=CC=CC=C3)N)=O)([H])SC1(C)C)OCOC(C(C)(C)C)=O