发明人沈红梅,马晓峰,胡光. "Method for the Synthesis of 2-((4-Ethyl-5-(1-methyl-5-(trifluoromethyl)-1h-pyrazol-3-yl)-4h-1,2,4-triazol-3-yl)thio)acetohydrazide" [P]. 中国发明专利, 专利号 CN 117443673 A, 授权公告日 2020-05-22.
发明人韩伟,冯建国,刘建华. "A Process for Preparing High-Purity 2-((4-Ethyl-5-(1-methyl-5-(trifluoromethyl)-1h-pyrazol-3-yl)-4h-1,2,4-triazol-3-yl)thio)acetohydrazide" [P]. 中国发明专利, 专利号 CN 111147386 B, 授权公告日 2022-02-20.
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". Biomed. Chromatogr., 2021, 1125, (9), 59-68.
Yamamoto K, Tanaka H, Suzuki T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Environ. Sci. Technol., 2020, 1994, (10), 1433-1456.
Yang F, Sun W, Liu J. "Identification and Structural Characterization of a Novel Degradation Product of 2-((4-Ethyl-5-(1-methyl-5-(trifluoromethyl)-1h-pyrazol-3-yl)-4h-1,2,4-triazol-3-yl)thio)acetohydrazide Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2012, 504, 273-291.