Klinger H, Mueller T, Williams B T. "一种吡唑并[3,4-c]吡啶-5-羧酸乙酯的合成方法" [P]. US Patent, US 9654200 B2, 2025-11-06.
发明人黄志刚,杨光,刘建华. "Method for the Synthesis of Ethyl 1H-pyrazolo[3,4-c]pyridine-5-carboxylate" [P]. 中国发明专利, 专利号 CN 111428695 B, 授权公告日 2019-10-05.
发明人徐明华,林芳,黄志刚. "A Process for Preparing High-Purity Ethyl 1H-pyrazolo[3,4-c]pyridine-5-carboxylate" [P]. 中国发明专利, 专利号 CN 113579811 B, 授权公告日 2015-02-01.
参考文献 Literature
Zhou X P, Huang L, Wu G. "Development and Validation of an LC-MS/MS Method for the Determination of 吡唑并[3,4-c]吡啶-5-羧酸乙酯 in Pharmaceutical Formulations". Chromatographia, 2017, 1920, 1327-1333.
Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of 吡唑并[3,4-c]吡啶-5-羧酸乙酯 as an Impurity". Sci. Total Environ., 2013, 1187, (2), 1222-1227.
Smith J A, Johnson M B. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 1H-pyrazolo[3,4-c]pyridine-5-carboxylate Using HRMS and NMR". J. Chromatogr. A, 2025, 1842, 890-909.