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1.发明授权19-nor-deta4, 9, 11-pregnatriene-3, 20-dione, process and intermediates 失效19-nor-deta4,9,11-孕三烯-3,20-二酮，方法和中间体
公开(公告)号：US3313703A
公开(公告)日：1967-04-11
申请号：US40165764
申请日：1964-10-05
Applicant: ROUSSEL UCLAF
Inventor： ROBERT BUCOURT , PIERDET NOISYLE-SEC ANDRE , GERMAIN COSTEROUSSE
IPC: C07D295/096
CPC classification number: C07D295/096 , C07C2603/16
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