发明人沈红梅,韩伟,周伟. "Method for the Synthesis of 5-(2,2,2-Trifluoroethyl)pyridazin-3(2H)-one" [P]. 中国发明专利, 专利号 CN 116301330 A, 授权公告日 2021-06-06.
发明人孙丽萍,马晓峰,郑宇鹏. "A Process for Preparing High-Purity 5-(2,2,2-Trifluoroethyl)pyridazin-3(2H)-one" [P]. 中国发明专利, 专利号 CN 110056978 A, 授权公告日 2017-04-17.
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". J. Agric. Food Chem., 2012, 1419, 4805-4809.
Chen X Y, Liu M, Zhao W Q. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chim. Acta, 2013, 1132, 2547-2565.
Fischer P, Wagner E. "Identification and Structural Characterization of a Novel Degradation Product of 5-(2,2,2-Trifluoroethyl)pyridazin-3(2H)-one Using HRMS and NMR". Anal. Methods, 2021, 2261, (3), 7060-7080.
Lee J H, Choi Y S. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Talanta, 2016, 2297, (11), 4810-4816.