Chen K W, Brown S R, Hughes D C. "一种的合成方法" [P]. US Patent, US 11573415 B2, 2015-06-17.
发明人马晓峰,韩伟,王建平. "Method for the Synthesis of 7-Amino-3-(4-chlorophenyl)pyrazolo[1,5-a]pyrimidine-6-carboxylic acid" [P]. 中国发明专利, 专利号 CN 113070777 A, 授权公告日 2015-11-25.
发明人罗永刚,孙丽萍,徐明华. "A Process for Preparing High-Purity 7-Amino-3-(4-chlorophenyl)pyrazolo[1,5-a]pyrimidine-6-carboxylic acid" [P]. 中国发明专利, 专利号 CN 114719101 B, 授权公告日 2018-11-04.
参考文献 Literature
Smith J A, Johnson M B. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chromatographia, 2022, 2118, (6), 7560-7590.
Zhou X P, Huang L, Wu G. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Chromatogr. A, 2023, 840, (8), 4049-4062.
Kim S H, Park J Y. "Identification and Structural Characterization of a Novel Degradation Product of 7-Amino-3-(4-chlorophenyl)pyrazolo[1,5-a]pyrimidine-6-carboxylic acid Using HRMS and NMR". Chemosphere, 2024, 1066, 8086-8102.
Yang F, Sun W, Liu J. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Nat. Prod., 2013, 185, (7), 2854-2872.