发明人沈红梅,韩伟,李文辉. "一种4-Aminopyridazine的合成方法" [P]. 中国发明专利, 专利号 CN 116658451 A, 授权公告日 2019-01-14.
发明人陈志强,高志强,朱建伟. "Method for the Synthesis of 20744-39-2
4-Aminopyridazine
Pyridazin-4-amine
BCP27543" [P]. 中国发明专利, 专利号 CN 109851195 B, 授权公告日 2017-08-16.
参考文献 Literature
Fischer P, Wagner E. "Development and Validation of an LC-MS/MS Method for the Determination of 4-Aminopyridazine in Pharmaceutical Formulations". J. Pharm. Biomed. Anal., 2015, 2183, 9817-9826.
Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of 4-Aminopyridazine as an Impurity". Anal. Chim. Acta, 2011, 652, (3), 4060-4076.
Zhang Y, Li Q, Chen T. "Identification and Structural Characterization of a Novel Degradation Product of 20744-39-2
4-Aminopyridazine
Pyridazin-4-amine
BCP27543 Using HRMS and NMR". Talanta, 2022, 1097, 2916-2933.
Xu M, Hu Y, Zhou D. "Forced Degradation Studies to Evaluate 4-Aminopyridazine Profile in Drug Substances According to ICH Guidelines". Chromatographia, 2016, 1280, (1), 4307-4322.