发明人何建平,沈红梅,冯建国. "Method for the Synthesis of 2-(Difluoromethyl)-3,6-dihydroxypyridine-4-carboxamide" [P]. 中国发明专利, 专利号 CN 109209261 A, 授权公告日 2018-08-05.
发明人何建平,冯建国,赵玉洁. "A Process for Preparing High-Purity 2-(Difluoromethyl)-3,6-dihydroxypyridine-4-carboxamide" [P]. 中国发明专利, 专利号 CN 111042743 A, 授权公告日 2023-09-18.
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