发明人赵玉洁,李文辉,陈志强. "Method for the Synthesis of (R)-6-(Pyrrolidin-2-yl)picolinonitrile" [P]. 中国发明专利, 专利号 CN 108533545 A, 授权公告日 2020-05-04.
发明人唐晓军,沈红梅,罗永刚. "A Process for Preparing High-Purity (R)-6-(Pyrrolidin-2-yl)picolinonitrile" [P]. 中国发明专利, 专利号 CN 109564313 B, 授权公告日 2020-07-18.
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