Piperacillin EP Impurity C

Chemical Name: (2Ξ,4S)-2-[[(2R)-2-(4-ethyl-2,3-dioxopiperazine-1-carboxamido)-2-phenylacetamido]methyl]-5,5-dimethyl-1,3-thiazolidine-4-carboxylic acid (as per EP)

Smile: O=C([C@@H]1NC(CNC([C@H](NC(N2C(C(N(CC)CC2)=O)=O)=O)C3=CC=CC=C3)=O)SC1(C)C)O