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公开(公告)号：US3223733A
公开(公告)日：1965-12-14
申请号：US21671862
申请日：1962-08-14
Applicant: BAYER AG
Inventor： RUDOLF HEISS , GERHARD BURMEISTER , FERDINAND GREWE
IPC: C07D307/68 , C07D333/38
CPC classification number: C07D333/38 , C07D307/68
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