发明人张德明,何建平,刘建华. "Method for the Synthesis of 6-(4-Chlorophenyl)-2-hydroxy-4-[2-(trifluoromethyl)phenyl]pyridine-3-carbonitrile" [P]. 中国发明专利, 专利号 CN 111092305 A, 授权公告日 2022-01-05.
发明人刘建华,郭海燕,唐晓军. "A Process for Preparing High-Purity 6-(4-Chlorophenyl)-2-hydroxy-4-[2-(trifluoromethyl)phenyl]pyridine-3-carbonitrile" [P]. 中国发明专利, 专利号 CN 117273142 B, 授权公告日 2016-10-01.
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