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发明人沈红梅,李文辉,杨光. "Method for the Synthesis of Ethyl 1-benzyl-6-chloro-4-hydroxy-2-oxo-1,2-dihydro-1,8-naphthyridine-3-carboxylate" [P]. 中国发明专利, 专利号 CN 110856672 A, 授权公告日 2017-01-09.
发明人赵玉洁,郭海燕,王建平. "A Process for Preparing High-Purity Ethyl 1-benzyl-6-chloro-4-hydroxy-2-oxo-1,2-dihydro-1,8-naphthyridine-3-carboxylate" [P]. 中国发明专利, 专利号 CN 117566881 A, 授权公告日 2021-05-11.
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