特非那定EP杂质H 货号:T084008 英文名:Tefenadine EP Impurity H 同义词:(1-(4-(4-(tert-butyl)phenyl)butyl)piperidin-4-yl)diphenylmethanol CAS号:N/A 分子式:C32H41NO 分子量:455.67 询价订购