Nowak P, Lefèvre J P, Martínez F. "一种的合成方法" [P]. European Patent, EP 3741404 A1, 2019-03-27.
发明人胡光,杨光,张德明. "Method for the Synthesis of 6-Chloro-3-methyl[1,2,4]triazolo[4,3-b]pyridazine" [P]. 中国发明专利, 专利号 CN 117893031 B, 授权公告日 2023-10-06.
Klinger H, Park J H, Hughes D C. "A Process for Preparing High-Purity 6-Chloro-3-methyl[1,2,4]triazolo[4,3-b]pyridazine" [P]. US Patent, US 9461017 B2, 2021-12-15.
参考文献 Literature
Kumar A, Sharma P, Patel R S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Rapid Commun. Mass Spectrom., 2024, 736, 4995-5008.
Smith J A, Johnson M B. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Phytochemistry, 2021, 1645, 4248-4251.
Brown R C, Davis S M. "Identification and Structural Characterization of a Novel Degradation Product of 6-Chloro-3-methyl[1,2,4]triazolo[4,3-b]pyridazine Using HRMS and NMR". Anal. Chim. Acta, 2022, 1542, (1), 8478-8503.