发明人杨光,赵玉洁,郭海燕. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 115925667 A, 授权公告日 2024-10-12.
Lefèvre J P, Nielsen H, Nowak P. "Method for the Synthesis of n2,n2-Dimethyl-5h,6h,7h-cyclopenta[b]pyridine-2,4-diamine" [P]. European Patent, EP 3225367 A1, 2019-01-02.
Williams B T, Yamamoto T, Brown S R. "A Process for Preparing High-Purity n2,n2-Dimethyl-5h,6h,7h-cyclopenta[b]pyridine-2,4-diamine" [P]. US Patent, US 10336893 B2, 2017-01-11.
参考文献 Literature
Yamamoto K, Tanaka H, Suzuki T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Agric. Food Chem., 2015, 2076, (7), 7080-7102.
Yang F, Sun W, Liu J. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Methods, 2013, 2211, (6), 1356-1376.
Yang F, Sun W, Liu J. "Identification and Structural Characterization of a Novel Degradation Product of n2,n2-Dimethyl-5h,6h,7h-cyclopenta[b]pyridine-2,4-diamine Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2018, 2244, 7011-7034.
Jensen P, Larsen A M, Olsen K. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Sci. Total Environ., 2016, 1424, (8), 2079-2096.