发明人罗永刚,赵玉洁,王建平. "Method for the Synthesis of 2-(Chloromethyl)-6-(difluoromethyl)-5-hydroxypyridine-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 109294202 A, 授权公告日 2019-04-04.
发明人黄志刚,孙丽萍,高志强. "A Process for Preparing High-Purity 2-(Chloromethyl)-6-(difluoromethyl)-5-hydroxypyridine-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 117212756 A, 授权公告日 2022-07-21.
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