发明人李文辉,陈志强,高志强. "Method for the Synthesis of 2-((2-(4-Nitrophenyl)-2-oxoethyl)thio)-4-phenyl-6-(p-tolyl)nicotinonitrile" [P]. 中国发明专利, 专利号 CN 109814120 A, 授权公告日 2019-04-17.
发明人郭海燕,王建平,韩伟. "A Process for Preparing High-Purity 2-((2-(4-Nitrophenyl)-2-oxoethyl)thio)-4-phenyl-6-(p-tolyl)nicotinonitrile" [P]. 中国发明专利, 专利号 CN 115819718 B, 授权公告日 2023-05-08.
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