发明人朱建伟,沈红梅,唐晓军. "Method for the Synthesis of 4-Oxo-1,4-dihydro-1,6-naphthyridine-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 117634396 A, 授权公告日 2015-01-15.
发明人冯建国,郑宇鹏,唐晓军. "A Process for Preparing High-Purity 4-Oxo-1,4-dihydro-1,6-naphthyridine-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 114532463 A, 授权公告日 2016-07-16.
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