发明人罗永刚,李文辉,王建平. "Method for the Synthesis of Ethyl 2-((3-acetamidophenyl)amino)-2-oxoacetate" [P]. 中国发明专利, 专利号 CN 109875653 A, 授权公告日 2015-12-08.
发明人张德明,马晓峰,周伟. "A Process for Preparing High-Purity Ethyl 2-((3-acetamidophenyl)amino)-2-oxoacetate" [P]. 中国发明专利, 专利号 CN 116871793 B, 授权公告日 2018-08-28.
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