匹美西林EP杂质B 货号:P105002 英文名:Pivmecillinam EP Impurity B 同义词:2-((azepan-1-ylmethylene)amino)-2-((4S)-5,5-dimethyl-4-(((pivaloyloxy)methoxy)carbonyl)thiazolidin-2-yl)acetic acid CAS号:N/A 分子式:C21H35N3O6S 分子量:457.58 询价订购