发明人张德明,陈志强,韩伟. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 108857858 A, 授权公告日 2019-12-16.
发明人唐晓军,韩伟,黄志刚. "Method for the Synthesis of (2R,5R)-1-{[(2R,5R)-2,5-Diethylpyrrolidin-1-yl]methylene}-2,5-diethylpyrrolidinium tetrafluoroborate" [P]. 中国发明专利, 专利号 CN 108335014 A, 授权公告日 2017-08-14.
发明人韩伟,黄志刚,朱建伟. "A Process for Preparing High-Purity (2R,5R)-1-{[(2R,5R)-2,5-Diethylpyrrolidin-1-yl]methylene}-2,5-diethylpyrrolidinium tetrafluoroborate" [P]. 中国发明专利, 专利号 CN 116492283 A, 授权公告日 2025-11-23.
参考文献 Literature
Wang L, Li J, Zhang H. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chromatographia, 2022, 2062, (2), 2303-2328.
Zhou X P, Huang L, Wu G. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Methods, 2021, 1394, (3), 9253-9266.
Kim S H, Park J Y. "Identification and Structural Characterization of a Novel Degradation Product of (2R,5R)-1-{[(2R,5R)-2,5-Diethylpyrrolidin-1-yl]methylene}-2,5-diethylpyrrolidinium tetrafluoroborate Using HRMS and NMR". J. Sep. Sci., 2013, 2114, 6087-6090.
Garcia M, Rodriguez P. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Talanta, 2022, 1959, 4097-4110.