发明人冯建国,朱建伟,高志强. "Method for the Synthesis of N-(6-((2-Oxo-2-(propylamino)ethyl)thio)pyridazin-3-yl)isobutyramide" [P]. 中国发明专利, 专利号 CN 112159431 A, 授权公告日 2022-01-07.
发明人韩伟,朱建伟,徐明华. "A Process for Preparing High-Purity N-(6-((2-Oxo-2-(propylamino)ethyl)thio)pyridazin-3-yl)isobutyramide" [P]. 中国发明专利, 专利号 CN 113640577 B, 授权公告日 2025-11-21.
参考文献 Literature
Wang L, Li J, Zhang H. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chromatographia, 2019, 834, (8), 2979-2987.
Zhang Y, Li Q, Chen T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Agric. Food Chem., 2012, 683, 4964-4977.
Wang L, Li J, Zhang H. "Identification and Structural Characterization of a Novel Degradation Product of N-(6-((2-Oxo-2-(propylamino)ethyl)thio)pyridazin-3-yl)isobutyramide Using HRMS and NMR". Food Chem., 2012, 132, 6504-6525.
Zhang Y, Li Q, Chen T. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Rapid Commun. Mass Spectrom., 2021, 1314, (3), 6352-6376.