发明人罗永刚,李文辉,杨光. "Method for the Synthesis of Azetidine-3,3-dicarbonitrile hydrochloride" [P]. 中国发明专利, 专利号 CN 109063920 B, 授权公告日 2017-08-05.
发明人王建平,陈志强,林芳. "A Process for Preparing High-Purity Azetidine-3,3-dicarbonitrile hydrochloride" [P]. 中国发明专利, 专利号 CN 116609224 A, 授权公告日 2025-08-26.
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