发明人林芳,郑宇鹏,钱学锋. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 117293823 A, 授权公告日 2024-05-19.
发明人郭海燕,马晓峰,王建平. "Method for the Synthesis of 4-Chloro-2-(5-chloro-2-fluorophenyl)pteridine" [P]. 中国发明专利, 专利号 CN 108232482 A, 授权公告日 2021-09-20.
发明人李文辉,郑宇鹏,赵玉洁. "A Process for Preparing High-Purity 4-Chloro-2-(5-chloro-2-fluorophenyl)pteridine" [P]. 中国发明专利, 专利号 CN 117386050 B, 授权公告日 2024-12-07.
参考文献 Literature
Kowalski T, Nowak Z. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Rapid Commun. Mass Spectrom., 2023, 584, (11), 660-683.
Jensen P, Larsen A M, Olsen K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Methods, 2012, 2464, 6722-6725.
Martinez C, Lopez D R. "Identification and Structural Characterization of a Novel Degradation Product of 4-Chloro-2-(5-chloro-2-fluorophenyl)pteridine Using HRMS and NMR". Anal. Chem., 2018, 874, (10), 8423-8443.
Zhang Y, Li Q, Chen T. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chim. Acta, 2025, 1491, (3), 1548-1573.