发明人孙丽萍,郭海燕,沈红梅. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 111522597 A, 授权公告日 2016-05-16.
发明人何建平,罗永刚,周伟. "Method for the Synthesis of Ethyl 5-{[(3-chlorophenyl)amino]carbonyl}-1,3,4-thiadiazole-2-carboxylate" [P]. 中国发明专利, 专利号 CN 117082529 A, 授权公告日 2021-08-21.
参考文献 Literature
Hughes D, Roberts J, Thomas A. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Agric. Food Chem., 2023, 1381, (9), 8212-8235.
Hughes D, Roberts J, Thomas A. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Pharm. Biomed. Anal., 2016, 821, (2), 3054-3059.
Jensen P, Larsen A M, Olsen K. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 5-{[(3-chlorophenyl)amino]carbonyl}-1,3,4-thiadiazole-2-carboxylate Using HRMS and NMR". Anal. Methods, 2024, 1259, (7), 7846-7869.
Zhou X P, Huang L, Wu G. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chem., 2018, 1852, (9), 4597-4610.