发明人刘建华,韩伟,李文辉. "Method for the Synthesis of 2-(Chloromethyl)-3-cyano-5-(difluoromethyl)-4-hydroxypyridine" [P]. 中国发明专利, 专利号 CN 114053047 B, 授权公告日 2018-06-20.
发明人刘建华,郭海燕,罗永刚. "A Process for Preparing High-Purity 2-(Chloromethyl)-3-cyano-5-(difluoromethyl)-4-hydroxypyridine" [P]. 中国发明专利, 专利号 CN 114463907 B, 授权公告日 2023-07-24.
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