英文名称
2-(((2-((R)-(-ethyl-2,3-dioxopiperazine-1-carboxamido)(phenyl)methyl)oxazol-(5H)-ylidene)methyl)amino)-3-mercapto-3-methylbutanoic acid (Piperacillin Impurity)
Smiles Code
CC(C)(S)C(NC=C1N=C([C@H](NC(N2C(C(N(CC)CC2)=O)=O)=O)C3=CC=CC=C3)OC1)C(O)=O