发明人冯建国,王建平,徐明华. "Method for the Synthesis of Methyl 8-(1-methoxyethyl)-2-methylimidazo[1,2-b]pyridazine-7-carboxylate" [P]. 中国发明专利, 专利号 CN 116613639 A, 授权公告日 2018-09-17.
发明人周伟,朱建伟,马晓峰. "A Process for Preparing High-Purity Methyl 8-(1-methoxyethyl)-2-methylimidazo[1,2-b]pyridazine-7-carboxylate" [P]. 中国发明专利, 专利号 CN 111237463 B, 授权公告日 2017-11-10.
参考文献 Literature
Kowalski T, Nowak Z. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Talanta, 2017, 2189, (8), 4752-4781.
Xu M, Hu Y, Zhou D. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Methods, 2025, 1865, (9), 706-735.
Lee J H, Choi Y S. "Identification and Structural Characterization of a Novel Degradation Product of Methyl 8-(1-methoxyethyl)-2-methylimidazo[1,2-b]pyridazine-7-carboxylate Using HRMS and NMR". J. Chromatogr. A, 2022, 1830, (6), 6709-6716.
O'Brien K, Kennedy M L. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Food Chem., 2024, 1475, (7), 417-421.