特非那定EP杂质F 货号:T084006 英文名:Tefenadine EP Impurity F 同义词:(E)-1-(4-(4-(tert-butyl)phenyl)but-3-en-1-yl)-4-(diphenylmethylene)piperidine CAS号:N/A 分子式:C32H37N 分子量:435.64 询价订购