Piperacillin Sulfoxide

Chemical Name: (2S,5R,6R)-6-((R)-2-(4-ethyl-2,3-dioxopiperazine-1-carboxamido)-2-phenylacetamido)-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid 4-oxide

Smile: O=C([C@@H](C1=CC=CC=C1)NC(N(CCN(CC)C2=O)C2=O)=O)N[C@H]3[C@]([S]4=O)([H])N([C@@H](C(O)=O)C4(C)C)C3=O