发明人何建平,钱学锋,郭海燕. "Method for the Synthesis of 4-(4-Chloro-2-(trifluoromethyl)phenyl)-N-hydroxypicolinimidamide" [P]. 中国发明专利, 专利号 CN 112612571 A, 授权公告日 2018-05-17.
发明人张德明,高志强,朱建伟. "A Process for Preparing High-Purity 4-(4-Chloro-2-(trifluoromethyl)phenyl)-N-hydroxypicolinimidamide" [P]. 中国发明专利, 专利号 CN 111148977 B, 授权公告日 2023-12-12.
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