发明人李文辉,马晓峰,孙丽萍. "Method for the Synthesis of 5-Bromo-2-cyanonicotinic acid" [P]. 中国发明专利, 专利号 CN 116201293 B, 授权公告日 2024-12-05.
发明人周伟,钱学锋,刘建华. "A Process for Preparing High-Purity 5-Bromo-2-cyanonicotinic acid" [P]. 中国发明专利, 专利号 CN 116042276 A, 授权公告日 2025-09-23.
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