发明人李文辉,周伟,郭海燕. "Method for the Synthesis of 5-(2,4-dioxohexahydropyrimidin-1-yl)-2-methoxy-benzoic acid" [P]. 中国发明专利, 专利号 CN 114492455 A, 授权公告日 2023-04-08.
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