发明人孙丽萍,陈志强,周伟. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 116387560 A, 授权公告日 2018-03-14.
Sørensen M, Nielsen H, Björnsson E. "Method for the Synthesis of 7-Amino-2,3-dimethyl-5-(methylsulfonyl)pyrazolo[1,5-a]pyrimidine-6-carbonitrile" [P]. European Patent, EP 3127785 A1, 2024-01-25.
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". Biomed. Chromatogr., 2011, 2243, 6736-6765.
O'Brien K, Kennedy M L. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Agric. Food Chem., 2010, 2302, (11), 7071-7081.
Wang L, Li J, Zhang H. "Identification and Structural Characterization of a Novel Degradation Product of 7-Amino-2,3-dimethyl-5-(methylsulfonyl)pyrazolo[1,5-a]pyrimidine-6-carbonitrile Using HRMS and NMR". Phytochemistry, 2010, 1420, (11), 6712-6732.
Garcia M, Rodriguez P. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Chemosphere, 2017, 525, (11), 7104-7118.