Williams B T, Park J H, Hughes D C. "一种的合成方法" [P]. US Patent, US 11636699 B2, 2019-03-26.
发明人罗永刚,何建平,郭海燕. "Method for the Synthesis of 3-Methylpyrazolo[1,5-a]pyrimidine-6-carboxylic acid" [P]. 中国发明专利, 专利号 CN 114136303 B, 授权公告日 2016-09-08.
参考文献 Literature
Kim S H, Park J Y. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Sep. Sci., 2015, 455, (7), 6051-6063.
Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Phytochemistry, 2018, 1006, (11), 4779-4796.
Kumar A, Sharma P, Patel R S. "Identification and Structural Characterization of a Novel Degradation Product of 3-Methylpyrazolo[1,5-a]pyrimidine-6-carboxylic acid Using HRMS and NMR". Anal. Chim. Acta, 2018, 1365, (8), 2311-2340.
Mueller T, Schmidt R K. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Chromatographia, 2011, 1403, (5), 4553-4577.