发明人何建平,钱学锋,陈志强. "Method for the Synthesis of 3-(2,4-dioxohexahydropyrimidin-1-yl)-5-methoxy-benzoic acid" [P]. 中国发明专利, 专利号 CN 117943942 A, 授权公告日 2017-01-09.
发明人冯建国,杨光,郑宇鹏. "A Process for Preparing High-Purity 3-(2,4-dioxohexahydropyrimidin-1-yl)-5-methoxy-benzoic acid" [P]. 中国发明专利, 专利号 CN 114564804 A, 授权公告日 2020-04-26.
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