发明人陈志强,王建平,唐晓军. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 110381768 A, 授权公告日 2016-12-25.
发明人徐明华,赵玉洁,冯建国. "Method for the Synthesis of Ethyl 4-chloro-5-hydroxy-2,7-dimethyl-7H-pyrrolo[2,3-d]pyrimidine-6-carboxylate" [P]. 中国发明专利, 专利号 CN 108964608 B, 授权公告日 2024-09-27.
Park J H, Lee S K, Yamamoto T. "A Process for Preparing High-Purity Ethyl 4-chloro-5-hydroxy-2,7-dimethyl-7H-pyrrolo[2,3-d]pyrimidine-6-carboxylate" [P]. US Patent, US 11843592 B2, 2022-03-26.
参考文献 Literature
Yang F, Sun W, Liu J. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Agric. Food Chem., 2015, 1942, (11), 2865-2887.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Sci. Total Environ., 2021, 196, 4307-4318.
Brown R C, Davis S M. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 4-chloro-5-hydroxy-2,7-dimethyl-7H-pyrrolo[2,3-d]pyrimidine-6-carboxylate Using HRMS and NMR". Phytochemistry, 2023, 946, (6), 7667-7692.
Garcia M, Rodriguez P. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Pharm. Biomed. Anal., 2011, 937, 6785-6797.