发明人杨光,马晓峰,孙丽萍. "Method for the Synthesis of Methyl 2,2-dimethyl-5-oxopyrrolidine-1-carboxylate" [P]. 中国发明专利, 专利号 CN 117534915 B, 授权公告日 2019-09-26.
发明人李文辉,刘建华,高志强. "A Process for Preparing High-Purity Methyl 2,2-dimethyl-5-oxopyrrolidine-1-carboxylate" [P]. 中国发明专利, 专利号 CN 108651395 B, 授权公告日 2021-06-06.
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