发明人罗永刚,王建平,高志强. "Method for the Synthesis of 5-Chloro-1-methyl-1H-pyrazolo[3,4-b]pyridin-6(7H)-one" [P]. 中国发明专利, 专利号 CN 109327164 B, 授权公告日 2021-12-24.
参考文献 Literature
Yamamoto K, Tanaka H, Suzuki T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Phytochemistry, 2013, 1597, 6228-6243.
Brown R C, Davis S M. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Biomed. Chromatogr., 2022, 418, 6250-6255.
Yamamoto K, Tanaka H, Suzuki T. "Identification and Structural Characterization of a Novel Degradation Product of 5-Chloro-1-methyl-1H-pyrazolo[3,4-b]pyridin-6(7H)-one Using HRMS and NMR". Chemosphere, 2024, 2150, (7), 8010-8025.
Kim S H, Park J Y. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Sep. Sci., 2014, 1510, (1), 3919-3924.