发明人刘建华,马晓峰,周伟. "Method for the Synthesis of 2-Methyl-2,6-diazaspiro[3.4]Octan-7-one" [P]. 中国发明专利, 专利号 CN 108099289 B, 授权公告日 2020-04-04.
发明人朱建伟,马晓峰,林芳. "A Process for Preparing High-Purity 2-Methyl-2,6-diazaspiro[3.4]Octan-7-one" [P]. 中国发明专利, 专利号 CN 117365713 A, 授权公告日 2019-11-19.
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