Sørensen M, Rossi M, Martínez F. "Method for the Synthesis of 1H-Pyrazolo[4,3-b]pyridin-7(4H)-one" [P]. European Patent, EP 3873339 A1, 2018-03-26.
发明人韩伟,马晓峰,周伟. "A Process for Preparing High-Purity 1H-Pyrazolo[4,3-b]pyridin-7(4H)-one" [P]. 中国发明专利, 专利号 CN 116675219 A, 授权公告日 2020-06-20.
参考文献 Literature
Hughes D, Roberts J, Thomas A. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Talanta, 2018, 1741, (3), 9962-9986.
Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Sep. Sci., 2016, 720, (1), 3161-3166.
Garcia M, Rodriguez P. "Identification and Structural Characterization of a Novel Degradation Product of 1H-Pyrazolo[4,3-b]pyridin-7(4H)-one Using HRMS and NMR". Sci. Total Environ., 2014, 1884, (10), 6055-6083.