Williams B T, Park J H, Kumar R. "一种的合成方法" [P]. US Patent, US 11951608 B2, 2025-12-15.
Schröder R, Mueller T, Kumar R. "Method for the Synthesis of 5,5'-Methylenebis(1,3,4-thiadiazol-2-amine)" [P]. US Patent, US 11731131 B2, 2021-06-28.
发明人杨光,李文辉,高志强. "A Process for Preparing High-Purity 5,5'-Methylenebis(1,3,4-thiadiazol-2-amine)" [P]. 中国发明专利, 专利号 CN 108073638 A, 授权公告日 2024-08-15.
参考文献 Literature
Wang L, Li J, Zhang H. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Molecules, 2021, 450, (8), 886-899.
Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Sep. Sci., 2011, 142, (5), 7120-7145.
Fischer P, Wagner E. "Identification and Structural Characterization of a Novel Degradation Product of 5,5'-Methylenebis(1,3,4-thiadiazol-2-amine) Using HRMS and NMR". Chromatographia, 2012, 1616, (6), 337-360.