发明人钱学锋,郭海燕,朱建伟. "Method for the Synthesis of 4-Chloro-2-(3-methoxyphenyl)pyrazolo[1,5-a]pyrazine" [P]. 中国发明专利, 专利号 CN 115151093 B, 授权公告日 2020-04-22.
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". Chemosphere, 2018, 2240, 3611-3634.
Xu M, Hu Y, Zhou D. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chromatographia, 2025, 803, (8), 5608-5618.
O'Brien K, Kennedy M L. "Identification and Structural Characterization of a Novel Degradation Product of 4-Chloro-2-(3-methoxyphenyl)pyrazolo[1,5-a]pyrazine Using HRMS and NMR". J. Chromatogr. A, 2012, 1131, (12), 8375-8379.
Lee J H, Choi Y S. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Molecules, 2022, 2281, 1592-1616.