左炔諾孕酮EP雜質(zhì)B標(biāo)準(zhǔn)品
編號(hào):VIP(AS)03605
英文:Levonorgestrel EP Impurity B
別名:(8R,9S,13S,14S,17R)-13-ethyl-17-ethynyl-17- hydroxy-1,2,4,6,7,8,9,11,12,13,14,15,16,17-tetradecahydro-3H-cyclopenta[a]phenanthren-3-one
CAS號(hào):19914-67-1
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