CAS号:176254-10-7
英文名:(8R,9S,10R,13R,14S,17R)-13-ethyl-17-ethynyl-3-methoxy-2,7,8,9,10,11,12,14,15,16-decahydro-1H-cyclopenta[a]phenanthren-17-ol
中文名:
左炔诺孕酮杂质(Levonorgestrel)176254-10-7
"(17α)-13-Ethyl-3-methoxy-18,19-dinorpregna-3,5-dien-20-yn-17-ol"