Davis P L, Fischer A B, O'Brien P Q. "一种的合成方法" [P]. US Patent, US 9766201 B2, 2015-05-24.
Rossi M, Nowak P, Lefèvre J P. "Method for the Synthesis of 5-(2,5-Difluorophenyl)-1,3,4-thiadiazol-2-amine" [P]. European Patent, EP 3439210 A1, 2024-10-14.
发明人陈志强,罗永刚,沈红梅. "A Process for Preparing High-Purity 5-(2,5-Difluorophenyl)-1,3,4-thiadiazol-2-amine" [P]. 中国发明专利, 专利号 CN 116636742 B, 授权公告日 2023-07-18.
参考文献 Literature
Zhou X P, Huang L, Wu G. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Biomed. Chromatogr., 2011, 1162, (10), 9315-9322.
Zhou X P, Huang L, Wu G. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Nat. Prod., 2011, 1597, 666-671.
Jensen P, Larsen A M, Olsen K. "Identification and Structural Characterization of a Novel Degradation Product of 5-(2,5-Difluorophenyl)-1,3,4-thiadiazol-2-amine Using HRMS and NMR". Anal. Chim. Acta, 2020, 473, 8004-8026.
Brown R C, Davis S M. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Rapid Commun. Mass Spectrom., 2015, 2435, (11), 207-227.