特非那定EP杂质G 货号:T084007 英文名:Tefenadine EP Impurity G 同义词:(E)-(1-(4-(4-(tert-butyl)phenyl)but-3-en-1-yl)piperidin-4-yl)diphenylmethanol CAS号:N/A 分子式:C32H39NO 分子量:453.66 询价订购