发明人胡光,郭海燕,李文辉. "Method for the Synthesis of 8-fluoropyridazino[4,5-b]pyrazin-5-amine" [P]. 中国发明专利, 专利号 CN 111229022 A, 授权公告日 2022-05-17.
Williams B T, Roberts E F, Thompson G K. "A Process for Preparing High-Purity 8-fluoropyridazino[4,5-b]pyrazin-5-amine" [P]. US Patent, US 10108070 B2, 2016-03-24.
参考文献 Literature
Garcia M, Rodriguez P. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Rapid Commun. Mass Spectrom., 2010, 712, 4255-4259.
Garcia M, Rodriguez P. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Nat. Prod., 2020, 2279, (12), 1963-1967.
Xu M, Hu Y, Zhou D. "Identification and Structural Characterization of a Novel Degradation Product of 8-fluoropyridazino[4,5-b]pyrazin-5-amine Using HRMS and NMR". Chemosphere, 2014, 1331, (8), 7759-7784.
Xu M, Hu Y, Zhou D. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Talanta, 2020, 2401, (3), 3543-3571.