Kumar R, Lee S K, Yamamoto T. "一种2-{1H-pyrazolo[4,3-b]pyridin-1-yl}acetic acid dihydrochloride的合成方法" [P]. US Patent, US 9718788 B2, 2023-12-22.
发明人唐晓军,冯建国,赵玉洁. "Method for the Synthesis of 2-{1H-pyrazolo[4,3-b]pyridin-1-yl}acetic acid dihydrochloride" [P]. 中国发明专利, 专利号 CN 112234086 A, 授权公告日 2021-06-20.
发明人唐晓军,周伟,刘建华. "A Process for Preparing High-Purity 2-{1H-pyrazolo[4,3-b]pyridin-1-yl}acetic acid dihydrochloride" [P]. 中国发明专利, 专利号 CN 115741071 A, 授权公告日 2024-01-08.
参考文献 Literature
Smith J A, Johnson M B. "Development and Validation of an LC-MS/MS Method for the Determination of 2-{1H-pyrazolo[4,3-b]pyridin-1-yl}acetic acid dihydrochloride in Pharmaceutical Formulations". J. Agric. Food Chem., 2022, 1913, (7), 3785-3797.
Kim S H, Park J Y. "A Stability-Indicating HPLC Method for the Separation and Quantification of 2-{1H-pyrazolo[4,3-b]pyridin-1-yl}acetic acid dihydrochloride as an Impurity". J. Sep. Sci., 2017, 353, 9080-9085.
Zhang Y, Li Q, Chen T. "Identification and Structural Characterization of a Novel Degradation Product of 2-{1H-pyrazolo[4,3-b]pyridin-1-yl}acetic acid dihydrochloride Using HRMS and NMR". Anal. Chim. Acta, 2020, 950, 251-263.
Wang L, Li J, Zhang H. "Forced Degradation Studies to Evaluate 2-{1H-pyrazolo[4,3-b]pyridin-1-yl}acetic acid dihydrochloride Profile in Drug Substances According to ICH Guidelines". Molecules, 2011, 832, (9), 2282-2312.