O'Brien P Q, Anderson J P, Kumar R. "一种的合成方法" [P]. US Patent, US 9401575 B2, 2023-08-17.
发明人张德明,马晓峰,沈红梅. "Method for the Synthesis of (3R,4S)-4-(3,5-difluoropyridin-4-yl)-2-oxopyrrolidine-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 110011599 A, 授权公告日 2017-10-11.
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