发明人李文辉,沈红梅,徐明华. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 109615135 A, 授权公告日 2015-03-23.
发明人马晓峰,朱建伟,陈志强. "Method for the Synthesis of 4-((4-Hydroxy-2-methylphenyl)amino)-2-(4-methylpiperazin-1-yl)-4-oxobutanoic acid" [P]. 中国发明专利, 专利号 CN 113442908 B, 授权公告日 2025-12-12.
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