发明人杨光,孙丽萍,朱建伟. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 113650680 A, 授权公告日 2020-03-16.
发明人韩伟,杨光,王建平. "Method for the Synthesis of 2,6-Diamino-4-(4-chlorophenyl)-4H-thiopyran-3,5-dicarbonitrile" [P]. 中国发明专利, 专利号 CN 114397949 B, 授权公告日 2024-06-25.
参考文献 Literature
Yang F, Sun W, Liu J. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chem., 2014, 106, (10), 5680-5707.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Chromatogr. A, 2018, 440, (6), 7939-7944.
Kumar A, Sharma P, Patel R S. "Identification and Structural Characterization of a Novel Degradation Product of 2,6-Diamino-4-(4-chlorophenyl)-4H-thiopyran-3,5-dicarbonitrile Using HRMS and NMR". Anal. Chim. Acta, 2015, 725, 3830-3835.
Zhang Y, Li Q, Chen T. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Chromatographia, 2022, 783, (10), 6705-6725.