Lefèvre J P, Rossi M, Sørensen M. "一种的合成方法" [P]. European Patent, EP 3166039 A1, 2020-10-28.
发明人林芳,杨光,朱建伟. "Method for the Synthesis of tert-Butyl 3-bromo-1-methyl-4,6-dihydropyrrolo[3,4-c]pyrazole-5(1H)-carboxylate" [P]. 中国发明专利, 专利号 CN 113625328 A, 授权公告日 2023-01-26.
发明人徐明华,郑宇鹏,周伟. "A Process for Preparing High-Purity tert-Butyl 3-bromo-1-methyl-4,6-dihydropyrrolo[3,4-c]pyrazole-5(1H)-carboxylate" [P]. 中国发明专利, 专利号 CN 115955613 A, 授权公告日 2018-09-17.
参考文献 Literature
Fischer P, Wagner E. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Phytochemistry, 2023, 2012, (5), 162-187.
Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chromatographia, 2015, 1223, (1), 7563-7582.
Zhang Y, Li Q, Chen T. "Identification and Structural Characterization of a Novel Degradation Product of tert-Butyl 3-bromo-1-methyl-4,6-dihydropyrrolo[3,4-c]pyrazole-5(1H)-carboxylate Using HRMS and NMR". J. Chromatogr. A, 2019, 986, (9), 8689-8712.