Lee S K, Thompson G K, Schröder R. "一种的合成方法" [P]. US Patent, US 9806019 B2, 2017-06-08.
Johnson M A, Anderson J P, Lee S K. "Method for the Synthesis of 6-Formylpyrazolo[1,5-a]pyrimidine-3-carboxylic acid" [P]. US Patent, US 11524535 B2, 2022-09-25.
参考文献 Literature
Kumar A, Sharma P, Patel R S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Phytochemistry, 2017, 1925, 5020-5046.
Wang L, Li J, Zhang H. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chim. Acta, 2013, 600, (4), 9779-9789.
Xu M, Hu Y, Zhou D. "Identification and Structural Characterization of a Novel Degradation Product of 6-Formylpyrazolo[1,5-a]pyrimidine-3-carboxylic acid Using HRMS and NMR". Sci. Total Environ., 2023, 1138, 9395-9418.
Kim S H, Park J Y. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Chromatographia, 2010, 950, 3320-3335.