发明人何建平,冯建国,罗永刚. "Method for the Synthesis of rel-(2S)-3-[(4R)-4-ethyl-2,5-dioxo-imidazolidin-4-yl]-2-methyl-propanoic acid" [P]. 中国发明专利, 专利号 CN 116636222 A, 授权公告日 2025-10-20.
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