特非那定EP杂质D 货号:T084004 英文名:Tefenadine EP Impurity D 同义词:(R)-1-(4-(tert-butyl)phenyl)-4-(4-(diphenylmethylene)piperidin-1-yl)butan-1-ol CAS号:N/A 分子式:C32H39NO 分子量:453.66 询价订购