发明人黄志刚,唐晓军,高志强. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 109224299 A, 授权公告日 2017-03-06.
发明人高志强,杨光,陈志强. "Method for the Synthesis of 7-Methyl-5-phenyl-1H-pyrazolo[4,3-d]pyrimidine-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 112331948 A, 授权公告日 2021-09-02.
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". Anal. Methods, 2012, 608, 611-625.
Smith J A, Johnson M B. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Phytochemistry, 2021, 770, (7), 353-366.
Kim S H, Park J Y. "Identification and Structural Characterization of a Novel Degradation Product of 7-Methyl-5-phenyl-1H-pyrazolo[4,3-d]pyrimidine-3-carboxylic acid Using HRMS and NMR". Sci. Total Environ., 2018, 373, (8), 8277-8283.
Lee J H, Choi Y S. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Pharm. Biomed. Anal., 2025, 271, 3461-3464.