PVA02: Pivampicillin EP Impurity B

Diketopiperazines of Pivampicillin ;

(4S)-Pivaloyloxymethyl 2-(3,6-dioxo-5-phenylpiperazin-2-yl)-5,5-dimethylthiazolidine-4-carboxylate ;

C22H29N3O6S ;
Mol. Wt.: 463.55 ;