发明人罗永刚,钱学锋,高志强. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 108195628 A, 授权公告日 2024-09-18.
发明人刘建华,高志强,孙丽萍. "Method for the Synthesis of 3,5-Dimethyl-1-phenyl-1H-pyrazolo[3,4-b]pyrazine" [P]. 中国发明专利, 专利号 CN 115338198 A, 授权公告日 2020-07-08.
Fischer A B, Schröder R, Patel M V. "A Process for Preparing High-Purity 3,5-Dimethyl-1-phenyl-1H-pyrazolo[3,4-b]pyrazine" [P]. US Patent, US 10323550 B2, 2018-01-04.
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". Molecules, 2010, 944, 9587-9596.
Yamamoto K, Tanaka H, Suzuki T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Biomed. Chromatogr., 2023, 828, 210-233.
Fischer P, Wagner E. "Identification and Structural Characterization of a Novel Degradation Product of 3,5-Dimethyl-1-phenyl-1H-pyrazolo[3,4-b]pyrazine Using HRMS and NMR". Sci. Total Environ., 2021, 1338, 3264-3270.
Smith J A, Johnson M B. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Sep. Sci., 2025, 885, 3410-3423.