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公开(公告)号：US2731462A
公开(公告)日：1956-01-17
申请号：US26911652
申请日：1952-01-30
Applicant: HOECHST AG
Inventor： GUSTAV EHRHART , WALTER BESTIAN
IPC: C07D213/50 , C07D213/55 , C07D239/26 , C07D277/28 , C07D277/30 , C07D277/44
CPC classification number: C07D239/26 , C07D213/50 , C07D213/55 , C07D277/28 , C07D277/30
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