发明人冯建国,高志强,胡光. "Method for the Synthesis of (E)-N'-{7-[(E)-[(dimethylamino)methylidene]amino]-6-(thiophen-3-yl)-[1,2,4]triazolo[1,5-a]pyrimidin-2-yl}-N,N-dimethylmethanimidamide" [P]. 中国发明专利, 专利号 CN 111198946 B, 授权公告日 2019-03-02.
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". J. Chromatogr. A, 2022, 2092, (6), 4334-4343.
Fischer P, Wagner E. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Food Chem., 2013, 1996, 5350-5364.
Fischer P, Wagner E. "Identification and Structural Characterization of a Novel Degradation Product of (E)-N'-{7-[(E)-[(dimethylamino)methylidene]amino]-6-(thiophen-3-yl)-[1,2,4]triazolo[1,5-a]pyrimidin-2-yl}-N,N-dimethylmethanimidamide Using HRMS and NMR". Anal. Chim. Acta, 2012, 1349, (7), 4133-4138.
Zhou X P, Huang L, Wu G. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Phytochemistry, 2019, 1694, 3981-3986.