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公开(公告)号：US2911411A
公开(公告)日：1959-11-03
申请号：US66946857
申请日：1957-07-02
Applicant: ROUSSEL UCLAF
Inventor： GEORGES MULLER , VATERLAUS BRUNO P , LEON VELLUZ
CPC classification number: C07D209/70
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