发明人徐明华,孙丽萍,刘建华. "Method for the Synthesis of 4-(2,3-Dioxo-3,4-dihydropyrazin-1(2H)-yl)cyclohexane-1-carboxylic acid" [P]. 中国发明专利, 专利号 CN 114439903 B, 授权公告日 2023-09-04.
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