发明人冯建国,赵玉洁,徐明华. "Method for the Synthesis of 4-(Difluoromethyl)-6-iodo-5-(trifluoromethyl)nicotinic acid" [P]. 中国发明专利, 专利号 CN 109798649 A, 授权公告日 2023-10-08.
发明人沈红梅,郭海燕,郑宇鹏. "A Process for Preparing High-Purity 4-(Difluoromethyl)-6-iodo-5-(trifluoromethyl)nicotinic acid" [P]. 中国发明专利, 专利号 CN 109789552 A, 授权公告日 2015-10-08.
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