发明人郭海燕,陈志强,刘建华. "Method for the Synthesis of 1,4-Dimethyl-1,4-diazepane-6-carboxylic acid" [P]. 中国发明专利, 专利号 CN 108283797 B, 授权公告日 2020-01-03.
发明人何建平,胡光,高志强. "A Process for Preparing High-Purity 1,4-Dimethyl-1,4-diazepane-6-carboxylic acid" [P]. 中国发明专利, 专利号 CN 110627767 A, 授权公告日 2016-04-17.
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