发明人刘建华,赵玉洁,钱学锋. "Method for the Synthesis of 2,5-Diazaspiro[3.4]octan-1-one" [P]. 中国发明专利, 专利号 CN 108165848 B, 授权公告日 2023-09-24.
发明人赵玉洁,林芳,黄志刚. "A Process for Preparing High-Purity 2,5-Diazaspiro[3.4]octan-1-one" [P]. 中国发明专利, 专利号 CN 117992733 B, 授权公告日 2019-11-26.
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