英文名称
(S,5R,R)-Methyl -((R)--(4-ethyl-,3-dioxopiperazine-1-carboxamido)--phenylacetamido)-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3..0]heptane--carboxylate (Piperacillin Impurity)
Smiles Code
COC([C@@H]1N[C@@](SC1(C)C)([H])[C@@H](C=O)NC([C@@H](C3=CC=CC=C3)NC(N4C(C(N(CC4)CC)=O)=O)=O)=O)=O