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公开(公告)号：US2891960A
公开(公告)日：1959-06-23
申请号：US69227457
申请日：1957-10-25
Applicant: HOECHST AG
Inventor： HEINRICH RUSCHIG , HANS WAGNER , WALTER AUMIILLER , GERHARD KORGER , JOSEF SCHOLZ , ALFRED BANDER
IPC: C07D277/70
CPC classification number: C07D277/70
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