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公开(公告)号：US2894977A
公开(公告)日：1959-07-14
申请号：US62898256
申请日：1956-12-18
Applicant: HOECHST AG
Inventor： WALTER SIEDEL , HELMUT NAHM , HENNING PINI
CPC classification number: C07C205/44 , C07C201/12 , C07C227/16 , C07C227/20 , C07C227/40 , C07C227/42 , C07C231/10 , C07C231/12 , C07C233/47 , C07C233/87 , C07D263/40 , C07C229/36
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