发明人李文辉,韩伟,何建平. "Method for the Synthesis of 2-(Difluoromethyl)-6-hydroxy-5-iodopyridine-3-acetic acid" [P]. 中国发明专利, 专利号 CN 114283847 B, 授权公告日 2018-05-01.
发明人刘建华,罗永刚,何建平. "A Process for Preparing High-Purity 2-(Difluoromethyl)-6-hydroxy-5-iodopyridine-3-acetic acid" [P]. 中国发明专利, 专利号 CN 114572000 A, 授权公告日 2019-09-03.
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