发明人韩伟,唐晓军,冯建国. "Method for the Synthesis of 2-(Difluoromethyl)-5-hydroxy-4-(trifluoromethyl)pyridine-3-acetic acid" [P]. 中国发明专利, 专利号 CN 116690301 A, 授权公告日 2020-04-21.
发明人唐晓军,高志强,林芳. "A Process for Preparing High-Purity 2-(Difluoromethyl)-5-hydroxy-4-(trifluoromethyl)pyridine-3-acetic acid" [P]. 中国发明专利, 专利号 CN 115182606 B, 授权公告日 2024-10-08.
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