发明人林芳,张德明,徐明华. "Method for the Synthesis of 2-Chloro-5-(4-cyanophenyl)isonicotinic acid" [P]. 中国发明专利, 专利号 CN 108252976 A, 授权公告日 2023-10-15.
发明人何建平,马晓峰,黄志刚. "A Process for Preparing High-Purity 2-Chloro-5-(4-cyanophenyl)isonicotinic acid" [P]. 中国发明专利, 专利号 CN 109050771 B, 授权公告日 2021-01-08.
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