QA661200

氨苄西林；哌拉西林EP杂质A；哌拉西林钠EP杂质A；巴卡匹林盐酸盐EP杂质I；舒他西林EP杂质C

Ampicillin;Piperacillin EP Impurity A;Piperacillin Sodium EP Impurity A;Bacampicillin hydrochloride EP Impurity I;Sultamicillin EP Impurity C

别名：(2S,5R,6R)-6-((R)-2-amino-2-phenylacetamido)-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid