Stevens L M, Mueller T, Hughes D C. "一种的合成方法" [P]. US Patent, US 10612205 B2, 2019-04-06.
Lefèvre J P, Björnsson E, Schröder R. "Method for the Synthesis of 6-chloro-1,3-dimethyl-1H-pyrazolo[3,4-d]pyrimidine" [P]. European Patent, EP 3408842 A1, 2022-11-07.
参考文献 Literature
Yang F, Sun W, Liu J. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chromatographia, 2016, 581, (6), 1262-1279.
Zhou X P, Huang L, Wu G. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Biomed. Chromatogr., 2019, 1466, (12), 6709-6739.
Garcia M, Rodriguez P. "Identification and Structural Characterization of a Novel Degradation Product of 6-chloro-1,3-dimethyl-1H-pyrazolo[3,4-d]pyrimidine Using HRMS and NMR". Anal. Chem., 2014, 2036, 8346-8358.
Garcia M, Rodriguez P. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Agric. Food Chem., 2020, 581, 9221-9233.