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1.发明授权
公开(公告)号：US3136765A
公开(公告)日：1964-06-09
申请号：US6253960
申请日：1960-10-14
Applicant: BASF AG
Inventor： PETER DIMROTH , PAUL DUFFNER , RUDOLF OSTER , HEINRICH PASEDACH
CPC classification number: C07D295/088
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