发明人李文辉,罗永刚,陈志强. "Method for the Synthesis of 2-(Pyridin-3-yl)pyrazolo[1,5-a]pyrazin-4(5H)-one" [P]. 中国发明专利, 专利号 CN 108859079 B, 授权公告日 2020-07-09.
参考文献 Literature
Zhou X P, Huang L, Wu G. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Rapid Commun. Mass Spectrom., 2020, 1078, (4), 5491-5521.
Smith J A, Johnson M B. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Biomed. Chromatogr., 2023, 1956, (9), 4588-4602.
Fischer P, Wagner E. "Identification and Structural Characterization of a Novel Degradation Product of 2-(Pyridin-3-yl)pyrazolo[1,5-a]pyrazin-4(5H)-one Using HRMS and NMR". Talanta, 2025, 682, (6), 5813-5826.
Hughes D, Roberts J, Thomas A. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Molecules, 2010, 1967, (3), 8085-8088.