发明人李文辉,郑宇鹏,孙丽萍. "Method for the Synthesis of 3,3-Difluoro-1,3'-biazetidine hydrochloride" [P]. 中国发明专利, 专利号 CN 115926942 A, 授权公告日 2017-07-15.
发明人胡光,沈红梅,刘建华. "A Process for Preparing High-Purity 3,3-Difluoro-1,3'-biazetidine hydrochloride" [P]. 中国发明专利, 专利号 CN 108810400 B, 授权公告日 2015-08-17.
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