Pivmecillinam EP Impurity A

Chemical Name: (pivaloyloxy)methyl (2S,5R,6R)-6-amino-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylate ; 4-Thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid, 6-amino-3,3-dimethyl-7-oxo-, (2,2-dimethyl-1-oxopropoxy)methyl ester, [2S-(2alpha,5alpha,6beta)]

Synonym: methylene (2S,5R,6R)-6-amino-3,3-dimethyl-7-oxo4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylate 2,2-dimethylpropanoate (pivaloyloxymethyl 6-aminopenicillanate) ; pivaloyloxymethyl 6-aminopenicillanate

Smile: O=C(OCOC(C(C)(C)C)=O)[C@H](N1C2=O)C(C)(S[C@]1([H])[C@@H]2N)C