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发明人孙丽萍,刘建华,黄志刚. "A Process for Preparing High-Purity benzyl (4S)-1-methyl-2,6-dioxo-hexahydropyrimidine-4-carboxylate" [P]. 中国发明专利, 专利号 CN 116340253 B, 授权公告日 2015-03-15.
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