发明人马晓峰,何建平,赵玉洁. "Method for the Synthesis of 4-Bromo-5-methylpicolinonitrile" [P]. 中国发明专利, 专利号 CN 114017149 B, 授权公告日 2025-03-06.
发明人刘建华,冯建国,孙丽萍. "A Process for Preparing High-Purity 4-Bromo-5-methylpicolinonitrile" [P]. 中国发明专利, 专利号 CN 113661223 B, 授权公告日 2024-04-23.
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