发明人赵玉洁,黄志刚,徐明华. "Method for the Synthesis of 3-Chloro-5-cyclopropylpyrazolo[1,5-a]pyrimidine-7-carboxylic acid" [P]. 中国发明专利, 专利号 CN 115353060 A, 授权公告日 2024-06-09.
发明人黄志刚,沈红梅,张德明. "A Process for Preparing High-Purity 3-Chloro-5-cyclopropylpyrazolo[1,5-a]pyrimidine-7-carboxylic acid" [P]. 中国发明专利, 专利号 CN 115830869 B, 授权公告日 2020-08-20.
参考文献 Literature
Kowalski T, Nowak Z. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chem., 2024, 1249, (10), 8831-8847.
O'Brien K, Kennedy M L. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Pharm. Biomed. Anal., 2023, 1884, 7163-7186.
Wang L, Li J, Zhang H. "Identification and Structural Characterization of a Novel Degradation Product of 3-Chloro-5-cyclopropylpyrazolo[1,5-a]pyrimidine-7-carboxylic acid Using HRMS and NMR". Environ. Sci. Technol., 2020, 815, 8628-8641.
Smith J A, Johnson M B. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Talanta, 2024, 1899, (10), 4558-4569.