发明人林芳,马晓峰,王建平. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 114252459 A, 授权公告日 2022-05-25.
Park J H, Klinger H, Fischer A B. "Method for the Synthesis of 5-Cyclopropylpyrazolo[1,5-a]pyrimidine-7-carboxylic acid" [P]. US Patent, US 10295386 B2, 2023-10-22.
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". J. Agric. Food Chem., 2018, 219, 4087-4108.
Zhang Y, Li Q, Chen T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Sep. Sci., 2012, 896, (10), 6784-6796.
Yang F, Sun W, Liu J. "Identification and Structural Characterization of a Novel Degradation Product of 5-Cyclopropylpyrazolo[1,5-a]pyrimidine-7-carboxylic acid Using HRMS and NMR". Anal. Methods, 2021, 1414, 8113-8122.
Fischer P, Wagner E. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Rapid Commun. Mass Spectrom., 2017, 2174, (10), 4239-4262.