发明人王建平,郭海燕,赵玉洁. "Method for the Synthesis of 4,4-Difluoropyrrolidin-2-one" [P]. 中国发明专利, 专利号 CN 110874094 B, 授权公告日 2016-06-15.
Yamamoto T, Schröder R, Roberts E F. "A Process for Preparing High-Purity 4,4-Difluoropyrrolidin-2-one" [P]. US Patent, US 9848680 B2, 2020-11-22.
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