发明人冯建国,罗永刚,朱建伟. "Method for the Synthesis of 5-(Dimethylamino)nicotinic Acid" [P]. 中国发明专利, 专利号 CN 112799801 A, 授权公告日 2019-01-09.
发明人冯建国,何建平,马晓峰. "A Process for Preparing High-Purity 5-(Dimethylamino)nicotinic Acid" [P]. 中国发明专利, 专利号 CN 108810353 A, 授权公告日 2019-10-03.
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