发明人赵玉洁,罗永刚,钱学锋. "Method for the Synthesis of 4-((2-(Pyridin-4-yl)ethyl)amino)benzoic acid" [P]. 中国发明专利, 专利号 CN 110516772 A, 授权公告日 2016-03-07.
发明人孙丽萍,罗永刚,朱建伟. "A Process for Preparing High-Purity 4-((2-(Pyridin-4-yl)ethyl)amino)benzoic acid" [P]. 中国发明专利, 专利号 CN 114398011 A, 授权公告日 2015-12-18.
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