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公开(公告)号：US2816111A
公开(公告)日：1957-12-10
申请号：US40924654
申请日：1954-02-09
Applicant: BAYER AG
Inventor： RICHARD WEGLER , FERDINAND GREWE , KURT MEHLHOSE
IPC: C07D209/48 , C07D401/12
CPC classification number: C07D401/12 , C07D209/48
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