发明人徐明华,刘建华,何建平. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 110407688 A, 授权公告日 2018-07-18.
发明人赵玉洁,韩伟,何建平. "Method for the Synthesis of 4-Chloro-5-((2-hydroxyethyl)amino)pyridazin-3(2H)-one" [P]. 中国发明专利, 专利号 CN 116211958 A, 授权公告日 2020-05-17.
发明人赵玉洁,周伟,沈红梅. "A Process for Preparing High-Purity 4-Chloro-5-((2-hydroxyethyl)amino)pyridazin-3(2H)-one" [P]. 中国发明专利, 专利号 CN 113978731 A, 授权公告日 2025-06-27.
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". Anal. Chem., 2021, 1261, 1974-1996.
Kumar A, Sharma P, Patel R S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Environ. Sci. Technol., 2025, 2306, (11), 7143-7154.
Kim S H, Park J Y. "Identification and Structural Characterization of a Novel Degradation Product of 4-Chloro-5-((2-hydroxyethyl)amino)pyridazin-3(2H)-one Using HRMS and NMR". Molecules, 2014, 1944, (2), 1269-1273.
Mueller T, Schmidt R K. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Sci. Total Environ., 2024, 371, (10), 5219-5230.