QA132401

阿莫西林EP杂质A；氨苄西林EP杂质A；苯唑西林钠一水合物EP杂质A

Amoxicillin EP Impurity A ;Ampicillin EP Impurity A;Oxacillin sodium monohydrate EP Impurity A

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