申请人:Bayer Aktiengesellschaft
公开号:US05811433A1
公开(公告)日:1998-09-22
The invention relates to novel 1,6-naphthyridonecarboxylic acid derivatives, to processes for their preparation, to antibacterial compositions and feed additives in which they are present, and to novel intermediates for the preparation of these active compounds.
该发明涉及新颖的1,6-萘啶酮羧酸衍生物,以及它们的制备方法,含有它们的抗菌组合物和饲料添加剂,以及用于制备这些活性化合物的新型中间体。