QP092203

匹氨西林 EP 杂质 C

Pivampicillin EP Impurity C

别名：(2S,5R,6R)-(pivaloyloxy)methyl 6-((2R)-2-(2-((R)-2-amino-2-phenylacetamido)-2-((4S)-5,5-dimethyl-4-(((pivaloyloxy)methoxy)carbonyl)thiazolidin-2-yl)acetamido)-2-phenylacetamido)-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylate