发明人张德明,马晓峰,陈志强. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 109836038 A, 授权公告日 2022-05-20.
发明人周伟,何建平,刘建华. "Method for the Synthesis of 4,7-Dihydro-4-oxo-2-[(triphenylmethyl)amino]-3H-pyrrolo[2,3-d]pyrimidine-5-carbonitrile" [P]. 中国发明专利, 专利号 CN 110210285 B, 授权公告日 2025-04-07.
Thompson G K, Anderson J P, Davis P L. "A Process for Preparing High-Purity 4,7-Dihydro-4-oxo-2-[(triphenylmethyl)amino]-3H-pyrrolo[2,3-d]pyrimidine-5-carbonitrile" [P]. US Patent, US 11442710 B2, 2021-09-13.
参考文献 Literature
Jensen P, Larsen A M, Olsen K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chim. Acta, 2014, 1579, (11), 3995-4018.
Mueller T, Schmidt R K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Biomed. Chromatogr., 2020, 1506, 6702-6705.
O'Brien K, Kennedy M L. "Identification and Structural Characterization of a Novel Degradation Product of 4,7-Dihydro-4-oxo-2-[(triphenylmethyl)amino]-3H-pyrrolo[2,3-d]pyrimidine-5-carbonitrile Using HRMS and NMR". Molecules, 2013, 190, 992-1018.
Mueller T, Schmidt R K. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Environ. Sci. Technol., 2016, 996, 1582-1602.