Martínez F, Nielsen H, Lefèvre J P. "一种的合成方法" [P]. European Patent, EP 3974556 A1, 2017-04-14.
Park J H, Chen K W, Mueller T. "Method for the Synthesis of 4-Chloro-8-cyclopropylpteridin-7(8H)-one" [P]. US Patent, US 9944725 B2, 2019-09-17.
发明人王建平,周伟,徐明华. "A Process for Preparing High-Purity 4-Chloro-8-cyclopropylpteridin-7(8H)-one" [P]. 中国发明专利, 专利号 CN 108481559 A, 授权公告日 2024-01-18.
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". Chemosphere, 2017, 192, 2397-2421.
Jensen P, Larsen A M, Olsen K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Pharm. Biomed. Anal., 2011, 1055, 5218-5227.
Kumar A, Sharma P, Patel R S. "Identification and Structural Characterization of a Novel Degradation Product of 4-Chloro-8-cyclopropylpteridin-7(8H)-one Using HRMS and NMR". Environ. Sci. Technol., 2011, 714, (7), 1973-1986.
Kim S H, Park J Y. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Agric. Food Chem., 2019, 314, (3), 8570-8578.