发明人刘建华,杨光,唐晓军. "Method for the Synthesis of 5-((2-Methoxyethyl)(methyl)amino)-2-(piperidin-3-yl)pyridazin-3(2H)-one carbonate" [P]. 中国发明专利, 专利号 CN 113980921 B, 授权公告日 2024-04-07.
发明人朱建伟,李文辉,冯建国. "A Process for Preparing High-Purity 5-((2-Methoxyethyl)(methyl)amino)-2-(piperidin-3-yl)pyridazin-3(2H)-one carbonate" [P]. 中国发明专利, 专利号 CN 113287358 A, 授权公告日 2017-08-03.
参考文献 Literature
Zhou X P, Huang L, Wu G. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chemosphere, 2023, 469, (9), 5145-5148.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Chromatogr. A, 2025, 207, (5), 8134-8143.
Mueller T, Schmidt R K. "Identification and Structural Characterization of a Novel Degradation Product of 5-((2-Methoxyethyl)(methyl)amino)-2-(piperidin-3-yl)pyridazin-3(2H)-one carbonate Using HRMS and NMR". Anal. Chem., 2014, 1687, (8), 3174-3183.
Jensen P, Larsen A M, Olsen K. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Rapid Commun. Mass Spectrom., 2013, 1923, 1595-1599.