Anderson J P, Fischer A B, Chen K W. "一种的合成方法" [P]. US Patent, US 9513759 B2, 2024-10-10.
发明人高志强,赵玉洁,张德明. "Method for the Synthesis of 3-Amino-6,7-dihydro-5H-cyclopenta[b]thieno[3,2-e]pyridine-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 117967777 A, 授权公告日 2018-08-01.
发明人杨光,胡光,李文辉. "A Process for Preparing High-Purity 3-Amino-6,7-dihydro-5H-cyclopenta[b]thieno[3,2-e]pyridine-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 109883968 B, 授权公告日 2019-01-22.
参考文献 Literature
Xu M, Hu Y, Zhou D. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Biomed. Chromatogr., 2011, 1754, 1272-1279.
Yang F, Sun W, Liu J. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chim. Acta, 2013, 1740, 4412-4419.
Jensen P, Larsen A M, Olsen K. "Identification and Structural Characterization of a Novel Degradation Product of 3-Amino-6,7-dihydro-5H-cyclopenta[b]thieno[3,2-e]pyridine-2-carboxylic acid Using HRMS and NMR". J. Sep. Sci., 2015, 938, 9831-9853.