Davis P L, Williams B T, Park J H. "一种的合成方法" [P]. US Patent, US 11997527 B2, 2018-04-19.
Fischer A B, Lee S K, Williams B T. "Method for the Synthesis of 4-Ethyl-5-(4-methoxyphenyl)-4H-1,2,4-triazole-3-thiol" [P]. US Patent, US 10465037 B2, 2025-09-10.
发明人高志强,王建平,胡光. "A Process for Preparing High-Purity 4-Ethyl-5-(4-methoxyphenyl)-4H-1,2,4-triazole-3-thiol" [P]. 中国发明专利, 专利号 CN 109571443 A, 授权公告日 2017-03-11.
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". Talanta, 2018, 1181, (4), 1633-1640.
Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chem., 2020, 1334, (6), 1542-1567.
Fischer P, Wagner E. "Identification and Structural Characterization of a Novel Degradation Product of 4-Ethyl-5-(4-methoxyphenyl)-4H-1,2,4-triazole-3-thiol Using HRMS and NMR". Phytochemistry, 2021, 1318, 8793-8813.
Zhou X P, Huang L, Wu G. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Pharm. Biomed. Anal., 2019, 1546, 4127-4156.