Rossi M, Björnsson E, Johansson L. "一种的合成方法" [P]. European Patent, EP 3560353 A1, 2023-03-22.
发明人李文辉,韩伟,冯建国. "Method for the Synthesis of Tetrazolo[1,5-b]pyridazin-7-amine" [P]. 中国发明专利, 专利号 CN 116304867 A, 授权公告日 2017-07-15.
发明人韩伟,冯建国,杨光. "A Process for Preparing High-Purity Tetrazolo[1,5-b]pyridazin-7-amine" [P]. 中国发明专利, 专利号 CN 112420040 A, 授权公告日 2024-05-15.
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., 2021, 135, (12), 200-220.
Kumar A, Sharma P, Patel R S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chim. Acta, 2024, 358, 8150-8169.
Kim S H, Park J Y. "Identification and Structural Characterization of a Novel Degradation Product of Tetrazolo[1,5-b]pyridazin-7-amine Using HRMS and NMR". Anal. Chem., 2010, 611, (11), 7429-7452.