Piperacillin Impurity 6

Chemical Name: (2S,4S)-2-((S)-carboxy((R)-2-(4-ethyl-2,3-dioxopiperazine-1-carboxamido)-2-phenylacetamido)methyl)-5,5-dimethylthiazolidine-4-carboxylic acid

Smile: [H][C@]1(SC(C)([C@@H](N1)C(O)=O)C)[C@@H](NC([C@H](NC(N(CCN2CC)C(C2=O)=O)=O)C3=CC=CC=C3)=O)C(O)=O