发明人马晓峰,冯建国,赵玉洁. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 116919040 A, 授权公告日 2018-02-23.
发明人徐明华,郭海燕,高志强. "Method for the Synthesis of 3-{2-[2,4,6-Trioxotetrahydro-5(2H)-pyrimidinylidene]hydrazino}benzoic acid" [P]. 中国发明专利, 专利号 CN 113455116 B, 授权公告日 2020-04-20.
发明人林芳,刘建华,杨光. "A Process for Preparing High-Purity 3-{2-[2,4,6-Trioxotetrahydro-5(2H)-pyrimidinylidene]hydrazino}benzoic acid" [P]. 中国发明专利, 专利号 CN 109034156 A, 授权公告日 2024-12-20.
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