(2S,4S)-2-((S)-Carboxy((R)-2-(4-ethyl-2,3-dioxopiperazine-1-carboxamido)-2-phenylacetamido)methyl)-5,5-dimethylthiazolidine-4-carboxylic Acid is an impurity of Piperacillin (P479950), Broad spectrum semi-synthetic antibiotic related to Penicillin. Antibacterial.
