Sørensen M, Björnsson E, Lefèvre J P. "一种的合成方法" [P]. European Patent, EP 3933159 A1, 2022-05-20.
Björnsson E, Johansson L, Nowak P. "Method for the Synthesis of [3,3'-Bipyrrolidine]-2,2',5,5'-tetraone" [P]. European Patent, EP 3837624 A1, 2015-12-24.
发明人唐晓军,朱建伟,徐明华. "A Process for Preparing High-Purity [3,3'-Bipyrrolidine]-2,2',5,5'-tetraone" [P]. 中国发明专利, 专利号 CN 117961501 B, 授权公告日 2022-02-19.
参考文献 Literature
Xu M, Hu Y, Zhou D. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Molecules, 2023, 1776, (7), 4606-4617.
Yamamoto K, Tanaka H, Suzuki T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Methods, 2020, 1852, 7155-7167.
Kim S H, Park J Y. "Identification and Structural Characterization of a Novel Degradation Product of [3,3'-Bipyrrolidine]-2,2',5,5'-tetraone Using HRMS and NMR". J. Sep. Sci., 2015, 887, (8), 9965-9980.
Garcia M, Rodriguez P. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Chromatographia, 2015, 1443, (3), 701-724.