发明人罗永刚,陈志强,马晓峰. "Method for the Synthesis of 4,6-Dibromo-5-(difluoromethyl)nicotinic acid" [P]. 中国发明专利, 专利号 CN 115599329 A, 授权公告日 2021-07-23.
发明人郑宇鹏,钱学锋,周伟. "A Process for Preparing High-Purity 4,6-Dibromo-5-(difluoromethyl)nicotinic acid" [P]. 中国发明专利, 专利号 CN 110286150 B, 授权公告日 2025-08-05.
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