发明人郭海燕,杨光,何建平. "Method for the Synthesis of N2-methyl-N4-(4-piperidyl)-6-(2,2,2-trifluoroethyl)thieno[2,3-d]pyrimidine-2,4-diamine" [P]. 中国发明专利, 专利号 CN 108652799 A, 授权公告日 2021-10-11.
发明人郭海燕,唐晓军,沈红梅. "A Process for Preparing High-Purity N2-methyl-N4-(4-piperidyl)-6-(2,2,2-trifluoroethyl)thieno[2,3-d]pyrimidine-2,4-diamine" [P]. 中国发明专利, 专利号 CN 112020114 B, 授权公告日 2019-10-13.
参考文献 Literature
Xu M, Hu Y, Zhou D. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Agric. Food Chem., 2013, 763, (7), 6196-6214.
Xu M, Hu Y, Zhou D. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chem., 2024, 2433, 1669-1679.
Brown R C, Davis S M. "Identification and Structural Characterization of a Novel Degradation Product of N2-methyl-N4-(4-piperidyl)-6-(2,2,2-trifluoroethyl)thieno[2,3-d]pyrimidine-2,4-diamine Using HRMS and NMR". J. Nat. Prod., 2019, 233, 693-699.
Chen X Y, Liu M, Zhao W Q. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Biomed. Chromatogr., 2025, 1866, 5909-5932.