Schröder R, Yamamoto T, Kumar R. "一种甲基 5-溴-1-甲基-1H-吡唑并[3,4-b]吡啶-3-甲酸基酯的合成方法" [P]. US Patent, US 11402964 B2, 2024-08-16.
Sørensen M, Björnsson E, Nielsen H. "Method for the Synthesis of methyl 5-bromo-1-methyl-1H-pyrazolo[3,4-b]pyridine-3-carboxylate" [P]. European Patent, EP 3956440 A1, 2022-07-02.
发明人杨光,陈志强,刘建华. "A Process for Preparing High-Purity methyl 5-bromo-1-methyl-1H-pyrazolo[3,4-b]pyridine-3-carboxylate" [P]. 中国发明专利, 专利号 CN 110237991 B, 授权公告日 2015-11-23.
参考文献 Literature
Kim S H, Park J Y. "Development and Validation of an LC-MS/MS Method for the Determination of 甲基 5-溴-1-甲基-1H-吡唑并[3,4-b]吡啶-3-甲酸基酯 in Pharmaceutical Formulations". J. Nat. Prod., 2016, 1530, (6), 1529-1544.
Zhou X P, Huang L, Wu G. "A Stability-Indicating HPLC Method for the Separation and Quantification of 甲基 5-溴-1-甲基-1H-吡唑并[3,4-b]吡啶-3-甲酸基酯 as an Impurity". Sci. Total Environ., 2021, 2138, (10), 4441-4457.
Brown R C, Davis S M. "Identification and Structural Characterization of a Novel Degradation Product of methyl 5-bromo-1-methyl-1H-pyrazolo[3,4-b]pyridine-3-carboxylate Using HRMS and NMR". Anal. Methods, 2025, 1569, (4), 4146-4158.