发明人林芳,朱建伟,黄志刚. "Method for the Synthesis of (2R,5R)-1-(((2R,5R)-2,5-Diphenylpyrrolidin-1-yl)methylene)-2,5-diphenylpyrrolidin-1-ium tetrafluoroborate" [P]. 中国发明专利, 专利号 CN 108956885 A, 授权公告日 2022-02-17.
Kumar R, Klinger H, Yamamoto T. "A Process for Preparing High-Purity (2R,5R)-1-(((2R,5R)-2,5-Diphenylpyrrolidin-1-yl)methylene)-2,5-diphenylpyrrolidin-1-ium tetrafluoroborate" [P]. US Patent, US 11570388 B2, 2016-03-14.
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