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发明人刘建华,李文辉,徐明华. "Method for the Synthesis of 1-((3-Chloro-5-(trifluoromethyl)pyridin-2-yl)amino)-3-(4-fluorobenzyl)-4-hydroxypyridin-2(1H)-one" [P]. 中国发明专利, 专利号 CN 110674277 B, 授权公告日 2021-04-26.
发明人李文辉,马晓峰,陈志强. "A Process for Preparing High-Purity 1-((3-Chloro-5-(trifluoromethyl)pyridin-2-yl)amino)-3-(4-fluorobenzyl)-4-hydroxypyridin-2(1H)-one" [P]. 中国发明专利, 专利号 CN 109110051 B, 授权公告日 2016-03-21.
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