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公开(公告)号：US2782191A
公开(公告)日：1957-02-19
申请号：US41794154
申请日：1954-03-22
Applicant: BASF AG
Inventor： WALTER REPPE , HEINRICH PASEDACH , ERICHD DREHER , AUGUST AMANN
IPC: C07D295/084
CPC classification number: C07D295/092
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