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1.Disubstituted carbamic acid esters of 3-hydroxy-1-alkyl-pyridinium salts 失效
Title translation: 3-羟基-1-烷基 - 吡啶鎓盐的二取代氨基甲酸酯公开(公告)号:US2572579A
公开(公告)日:1951-10-23
申请号:US67083846
申请日:1946-05-18
Applicant: HOFFMANN LA ROCHE
Inventor: RENE URBAN
IPC: C07D213/65
CPC classification number: C07D213/65
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2.Water-soluble salts of diethyl-stilbestrol di-(sulfoacetate) and process for the manufacture thereof 失效
Title translation: 二乙基 - 己烯雌酚二(磺基乙酸酯)的水溶性盐及其制备方法公开(公告)号:US2537868A
公开(公告)日:1951-01-09
申请号:US13912650
申请日:1950-01-17
Applicant: HOFFMANN LA ROCHE
Inventor: RENE URBAN
IPC: C07C309/17
CPC classification number: C07C309/17
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公开(公告)号:US2890218A
公开(公告)日:1959-06-09
申请号:US62254456
申请日:1956-11-16
Applicant: HOFFMANN LA ROCHE
Inventor: OTTO SCHNIDER , RENE URBAN
IPC: C07D239/28 , C07D239/42 , C07D239/69
CPC classification number: C07D239/28 , C07D239/42 , C07D239/69
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