左炔诺孕酮 货号:L005000 英文名:Levonorgestrel 同义词:(8R,9S,10R,13S,14S,17R)-13-ethyl-17-ethynyl-17-hydroxy-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-3(2H)-one CAS号:797-63-7 分子式:C21H28O2 分子量:312.45 询价订购