发明人何建平,李文辉,陈志强. "Method for the Synthesis of 1-(2,2-Difluoroethyl)azetidine-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 108136506 A, 授权公告日 2020-10-09.
发明人王建平,杨光,周伟. "A Process for Preparing High-Purity 1-(2,2-Difluoroethyl)azetidine-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 110563772 B, 授权公告日 2015-11-26.
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