Sørensen M, Nowak P, Björnsson E. "一种的合成方法" [P]. European Patent, EP 3338044 A1, 2020-01-13.
Chen K W, Patel M V, Klinger H. "Method for the Synthesis of Ethyl 2-chloroimidazo[1,2-b]pyridazine-7-carboxylate" [P]. US Patent, US 11499646 B2, 2024-11-01.
发明人杨光,王建平,马晓峰. "A Process for Preparing High-Purity Ethyl 2-chloroimidazo[1,2-b]pyridazine-7-carboxylate" [P]. 中国发明专利, 专利号 CN 112542882 B, 授权公告日 2020-03-17.
参考文献 Literature
Chen X Y, Liu M, Zhao W Q. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Environ. Sci. Technol., 2018, 1102, 2494-2516.
Martinez C, Lopez D R. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chem., 2025, 2350, (4), 430-459.
Lee J H, Choi Y S. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 2-chloroimidazo[1,2-b]pyridazine-7-carboxylate Using HRMS and NMR". J. Agric. Food Chem., 2017, 2215, 133-163.
Kowalski T, Nowak Z. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Talanta, 2018, 499, 4996-5014.