发明人刘建华,沈红梅,孙丽萍. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 113853902 A, 授权公告日 2020-10-09.
发明人刘建华,罗永刚,陈志强. "Method for the Synthesis of 2-(2-Bromo-3-(difluoromethyl)-6-hydroxypyridin-4-yl)acetic acid" [P]. 中国发明专利, 专利号 CN 113982160 B, 授权公告日 2022-03-16.
发明人李文辉,赵玉洁,马晓峰. "A Process for Preparing High-Purity 2-(2-Bromo-3-(difluoromethyl)-6-hydroxypyridin-4-yl)acetic acid" [P]. 中国发明专利, 专利号 CN 112644805 B, 授权公告日 2021-01-05.
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