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发明人王建平,郑宇鹏,周伟. "A Process for Preparing High-Purity 3-[1-(4-cyanophenyl)-2,5-dioxoimidazolidin-4-yl]propanoic acid" [P]. 中国发明专利, 专利号 CN 111750624 A, 授权公告日 2023-02-27.
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