英文名称
2-(((E)-(2-((R)-(-Ethyl-2,3-dioxopiperazine-1-carboxamido)(phenyl)methyl)-5-oxooxazol-(5H)-ylidene)methyl)amino)-3-mercapto-3-methylbutanoic acid (Piperacillin Impurity)
Smiles Code
O=C(N1CCN(CC)C(C1=O)=O)N[C@@H](C2=N/C(C(O2)=O)=C/NC(C(C)(S)C)C(O)=O)C3=CC=CC=C3