CAS號:1337972-89-0
英文名:13-Ethyl-3-ethynyl-18,19-dinor-17α-pregna-3,5-dien-20-yn-17-ol
中文名:13-Ethyl-3-ethynyl-18,19-dinor-17α-pregna-3,5-dien-20-yn-17-ol
左炔諾孕酮雜質(zhì)(Levonorgestrel)1337972-89-0
快速溝通
Levonorgestrel Impurity 3