发明人高志强,郭海燕,王建平. "一种4-(二氟甲基)-6-羟基吡啶-2-甲酰氯的合成方法" [P]. 中国发明专利, 专利号 CN 111906837 A, 授权公告日 2015-07-06.
发明人林芳,陈志强,朱建伟. "Method for the Synthesis of 4-(Difluoromethyl)-6-hydroxypicolinoyl chloride" [P]. 中国发明专利, 专利号 CN 117769815 B, 授权公告日 2022-06-06.
发明人周伟,何建平,沈红梅. "A Process for Preparing High-Purity 4-(Difluoromethyl)-6-hydroxypicolinoyl chloride" [P]. 中国发明专利, 专利号 CN 113774923 B, 授权公告日 2021-10-14.
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