发明人赵玉洁,郑宇鹏,陈志强. "Method for the Synthesis of 2-(Cyclopropylamino)-5h,6h,7h-cyclopenta[b]pyridine-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 110965824 B, 授权公告日 2020-03-15.
Roberts E F, Park J H, Klinger H. "A Process for Preparing High-Purity 2-(Cyclopropylamino)-5h,6h,7h-cyclopenta[b]pyridine-3-carboxylic acid" [P]. US Patent, US 9598968 B2, 2022-04-19.
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". J. Pharm. Biomed. Anal., 2016, 1469, (3), 6386-6394.
Chen X Y, Liu M, Zhao W Q. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Phytochemistry, 2013, 1015, (1), 8662-8672.
Fischer P, Wagner E. "Identification and Structural Characterization of a Novel Degradation Product of 2-(Cyclopropylamino)-5h,6h,7h-cyclopenta[b]pyridine-3-carboxylic acid Using HRMS and NMR". Sci. Total Environ., 2010, 414, (6), 3418-3443.