左炔诺孕酮杂质36 货号:L005036 英文名:Levonorgestrel Impurity 36 同义词:13-ethyl-3-methoxy-7,11,12,13,16,17-hexahydro-6H-cyclopenta[a]phenanthren-17-ol CAS号:N/A 分子式:C20H24O2 分子量:296.40 询价订购