左炔诺孕酮EP杂质V 货号:L005022 英文名:Levonorgestrel EP Impurity V 同义词:(8R,9S,13S,14S,17R)-13-ethyl-17-ethynyl-3-methoxy-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthren-17-ol CAS号:14009-70-2 分子式:C22H28O2 分子量:324.46 询价订购