发明人朱建伟,杨光,郑宇鹏. "Method for the Synthesis of 2-(Difluoromethyl)-4-hydroxy-3-methoxypyridine-6-acetic acid" [P]. 中国发明专利, 专利号 CN 112325051 A, 授权公告日 2016-01-23.
发明人何建平,沈红梅,王建平. "A Process for Preparing High-Purity 2-(Difluoromethyl)-4-hydroxy-3-methoxypyridine-6-acetic acid" [P]. 中国发明专利, 专利号 CN 115424768 B, 授权公告日 2022-01-10.
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