左炔诺孕酮EP杂质J 货号:L005010 英文名:Levonorgestrel EP Impurity J 同义词:(8R,9S,10R,13S,14S,17R)-13-ethyl-17-ethynyl-17-hydroxy-7,8,9,11,12,13,14,15,16,17-decahydro-1H-cyclopenta[a]phenanthrene-3,6(2H,10H)-dione CAS号:1175109-63-3 分子式:C21H26O3 分子量:326.43 询价订购