发明人周伟,徐明华,何建平. "Method for the Synthesis of 4,7-Dihydro-4-oxo-2-[(triphenylmethyl)amino]-3H-pyrrolo[2,3-d]pyrimidine-5-carboxaldehyde" [P]. 中国发明专利, 专利号 CN 109455133 B, 授权公告日 2019-03-12.
发明人黄志刚,陈志强,高志强. "A Process for Preparing High-Purity 4,7-Dihydro-4-oxo-2-[(triphenylmethyl)amino]-3H-pyrrolo[2,3-d]pyrimidine-5-carboxaldehyde" [P]. 中国发明专利, 专利号 CN 109140555 B, 授权公告日 2021-03-13.
参考文献 Literature
Chen X Y, Liu M, Zhao W Q. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Sep. Sci., 2024, 1755, (5), 9358-9374.
Brown R C, Davis S M. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chemosphere, 2010, 432, (8), 6886-6913.
Brown R C, Davis S M. "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-carboxaldehyde Using HRMS and NMR". Biomed. Chromatogr., 2023, 89, (1), 8710-8713.
Hughes D, Roberts J, Thomas A. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Molecules, 2011, 1757, (6), 9835-9852.