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发明名称
Verfahren zur Herstellung von Pyranabkoemmlingen
摘要
申请公布号
DE844009(C)
申请公布日期
1952.07.14
申请号
DE1951H007345
申请日期
1951.01.25
申请人
F. HOFFMANN-LA ROCHE & CO. AKTIENGESELLSCHAFT
发明人
分类号
C07D309/38
主分类号
C07D309/38
代理机构
代理人
主权项
地址
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