发明人赵玉洁,马晓峰,张德明. "Method for the Synthesis of Ethyl 4-hydroxy-1-(2-methoxyethyl)-7-methyl-2-oxo-1,2-dihydro-1,8-naphthyridine-3-carboxylate" [P]. 中国发明专利, 专利号 CN 113485051 B, 授权公告日 2020-08-17.
发明人冯建国,唐晓军,郑宇鹏. "A Process for Preparing High-Purity Ethyl 4-hydroxy-1-(2-methoxyethyl)-7-methyl-2-oxo-1,2-dihydro-1,8-naphthyridine-3-carboxylate" [P]. 中国发明专利, 专利号 CN 112348067 B, 授权公告日 2018-01-13.
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