发明人马晓峰,刘建华,徐明华. "Method for the Synthesis of Ethyl 1-(7-(2-fluorophenyl)-4-hydroxythieno[3,2-d]pyrimidin-2-yl)piperidine-4-carboxylate" [P]. 中国发明专利, 专利号 CN 112549599 B, 授权公告日 2023-11-14.
发明人胡光,马晓峰,钱学锋. "A Process for Preparing High-Purity Ethyl 1-(7-(2-fluorophenyl)-4-hydroxythieno[3,2-d]pyrimidin-2-yl)piperidine-4-carboxylate" [P]. 中国发明专利, 专利号 CN 111511376 B, 授权公告日 2024-05-21.
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. Chromatogr. A, 2010, 1062, 1661-1682.
Kim S H, Park J Y. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Molecules, 2019, 1926, (5), 1151-1166.
Martinez C, Lopez D R. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 1-(7-(2-fluorophenyl)-4-hydroxythieno[3,2-d]pyrimidin-2-yl)piperidine-4-carboxylate Using HRMS and NMR". J. Pharm. Biomed. Anal., 2011, 552, (12), 8285-8311.
Wang L, Li J, Zhang H. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Sci. Total Environ., 2012, 1008, 5830-5854.