发明授权
US07018991B2 17β-amino and hydroxylamino-11 β-arylsteroids and their derivatives having agonist or antagonist hormonal properties 有权
17β-氨基和羟氨基-11β-芳基甾族化合物及其衍生物具有激动剂或拮抗剂激素特性

17β-amino and hydroxylamino-11 β-arylsteroids and their derivatives having agonist or antagonist hormonal properties
摘要:
The invention is directed to a novel class of steroids which exhibit potent antiprogestational activity.
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