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公开(公告)号：US3146266A
公开(公告)日：1964-08-25
申请号：US21108362
申请日：1962-07-19
Applicant: HOFFMANN LA ROCHE
Inventor： HEDWIG BESENDORF , ARNOLD BROSSI , OTTO SCHNIDER
IPC: C07D217/18
CPC classification number: C07D217/18
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