发明人刘建华,赵玉洁,高志强. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 115377327 A, 授权公告日 2019-04-18.
发明人罗永刚,朱建伟,黄志刚. "Method for the Synthesis of Ethyl 5-amino-1,3,4-thiadiazole-2-carboxylate" [P]. 中国发明专利, 专利号 CN 109402086 B, 授权公告日 2018-09-05.
Park J H, Johnson M A, Mueller T. "A Process for Preparing High-Purity Ethyl 5-amino-1,3,4-thiadiazole-2-carboxylate" [P]. US Patent, US 11420965 B2, 2024-03-13.
参考文献 Literature
Garcia M, Rodriguez P. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Methods, 2013, 802, (4), 6072-6093.
Zhang Y, Li Q, Chen T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chem., 2012, 1423, (3), 7261-7274.
Yang F, Sun W, Liu J. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 5-amino-1,3,4-thiadiazole-2-carboxylate Using HRMS and NMR". Phytochemistry, 2016, 1903, 4192-4204.
Chen X Y, Liu M, Zhao W Q. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Agric. Food Chem., 2022, 1209, 1159-1184.