Nowak P, Lefèvre J P, Björnsson E. "一种的合成方法" [P]. European Patent, EP 3519690 A1, 2020-09-25.
发明人郑宇鹏,徐明华,沈红梅. "Method for the Synthesis of 4-Ethyl-5-(2-methylphenyl)-4H-1,2,4-triazole-3-thiol" [P]. 中国发明专利, 专利号 CN 113624078 B, 授权公告日 2025-11-20.
发明人唐晓军,陈志强,周伟. "A Process for Preparing High-Purity 4-Ethyl-5-(2-methylphenyl)-4H-1,2,4-triazole-3-thiol" [P]. 中国发明专利, 专利号 CN 110400287 B, 授权公告日 2018-12-14.
参考文献 Literature
Lee J H, Choi Y S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Molecules, 2023, 127, (6), 1876-1894.
Hughes D, Roberts J, Thomas A. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Chromatogr. A, 2010, 1844, (9), 3764-3788.
Kowalski T, Nowak Z. "Identification and Structural Characterization of a Novel Degradation Product of 4-Ethyl-5-(2-methylphenyl)-4H-1,2,4-triazole-3-thiol Using HRMS and NMR". Chromatographia, 2011, 1106, 8367-8381.