专利名称：9 alpha, 11 beta-substituted and 11 beta-substituted estranes
发明人：David F. Crowe,Masato Tanabe,Richard
Peters
申请号：US07/088802申请日：19870824公开号：US04859370A公开日：19890822
摘要：9 alpha, 11 beta and 11 beta-substituted estranes are disclosed which exhibitelevated estrogenic and postcoital contraceptive activities. A process for theirmanufacture and their use in pharmaceuticals is also disclosed.
申请人：SRI INTERNATIONAL
代理机构：Irell & Manella
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