Piperacillin Impurity 3

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

Synonym: (11β,16β)-11-Hydroxy-2'-methyl-5'H-pregna-1,4-dieno[17,16-d]oxazole-3,20-dione-d3

Smile: O=C1N(C(N[C@H](C2=CC=CC=C2)C(N[C@H](C(O)=O)C3N(C([C@H]4C(C)(C)S[C@@]([C@@]([H])(C(O)=O)NC([C@H](NC(N(C5=O)CCN(CC)C5=O)=O)C6=CC=CC=C6)=O)([H])N4)=O)[C@@H](C(O)=O)C(C)(C)S3)=O)=O)CCN(CC)C1=O