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发明人钱学锋,徐明华,沈红梅. "Method for the Synthesis of 4-methyl-2-[(3-methyl-2,5-dioxoimidazolidin-1-yl)methyl]pentanoic acid" [P]. 中国发明专利, 专利号 CN 114830849 B, 授权公告日 2017-02-08.
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