发明人赵玉洁,陈志强,郭海燕. "Method for the Synthesis of 2-(Difluoromethyl)-3-fluoro-4-hydroxypyridine-5-carbonyl chloride" [P]. 中国发明专利, 专利号 CN 109155715 B, 授权公告日 2023-02-07.
发明人冯建国,刘建华,王建平. "A Process for Preparing High-Purity 2-(Difluoromethyl)-3-fluoro-4-hydroxypyridine-5-carbonyl chloride" [P]. 中国发明专利, 专利号 CN 108930595 A, 授权公告日 2020-02-13.
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