发明人沈红梅,罗永刚,高志强. "Method for the Synthesis of Ethyl 4-((3-aminopyridin-2-yl)amino)benzoate" [P]. 中国发明专利, 专利号 CN 112325061 B, 授权公告日 2019-04-05.
发明人刘建华,马晓峰,王建平. "A Process for Preparing High-Purity Ethyl 4-((3-aminopyridin-2-yl)amino)benzoate" [P]. 中国发明专利, 专利号 CN 110787049 B, 授权公告日 2023-10-05.
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