发明人郑宇鹏,陈志强,胡光. "Method for the Synthesis of (5S)-1,3,9-triazaspiro[4.5]decane-2,4-dione" [P]. 中国发明专利, 专利号 CN 110550155 A, 授权公告日 2020-09-03.
发明人李文辉,刘建华,郑宇鹏. "A Process for Preparing High-Purity (5S)-1,3,9-triazaspiro[4.5]decane-2,4-dione" [P]. 中国发明专利, 专利号 CN 110026350 A, 授权公告日 2016-03-22.
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