苄基沙丁胺醇杂质5 货号:B044005 英文名:Benzyl Albuterol Impurity 5 同义词:methyl 2-(benzyloxy)-5-(2-(tert-butylamino)acetyl)benzoate CAS号:N/A 分子式:C21H25NO4 分子量:355.43 询价订购