发明人冯建国,何建平,陈志强. "Method for the Synthesis of 6-Chloro-5-(difluoromethyl)-4-nitropicolinonitrile" [P]. 中国发明专利, 专利号 CN 110609597 A, 授权公告日 2022-09-17.
发明人马晓峰,黄志刚,赵玉洁. "A Process for Preparing High-Purity 6-Chloro-5-(difluoromethyl)-4-nitropicolinonitrile" [P]. 中国发明专利, 专利号 CN 108329212 B, 授权公告日 2021-06-18.
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