发明人张德明,郭海燕,王建平. "Method for the Synthesis of 5-{[2-(3,4-dimethoxyphenyl)ethyl]amino}-1,3,4-thiadiazole-2-thiol" [P]. 中国发明专利, 专利号 CN 112237153 A, 授权公告日 2020-12-13.
发明人杨光,郭海燕,沈红梅. "A Process for Preparing High-Purity 5-{[2-(3,4-dimethoxyphenyl)ethyl]amino}-1,3,4-thiadiazole-2-thiol" [P]. 中国发明专利, 专利号 CN 110443557 A, 授权公告日 2025-09-28.
参考文献 Literature
Yang F, Sun W, Liu J. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Food Chem., 2016, 1981, (2), 8430-8443.
Jensen P, Larsen A M, Olsen K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Phytochemistry, 2013, 362, (1), 2048-2057.
Yamamoto K, Tanaka H, Suzuki T. "Identification and Structural Characterization of a Novel Degradation Product of 5-{[2-(3,4-dimethoxyphenyl)ethyl]amino}-1,3,4-thiadiazole-2-thiol Using HRMS and NMR". J. Pharm. Biomed. Anal., 2023, 1207, (1), 540-562.
Kim S H, Park J Y. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Environ. Sci. Technol., 2013, 151, (4), 3526-3539.