1. 舒他西林EP杂质C(氨苄青霉素,哌拉西林EP杂质A)

舒他西林EP杂质C(氨苄青霉素,哌拉西林EP杂质A)

Sultamicillin EP Impurity C (Ampicillin, Piperacillin EP Impurity A)