Schröder R, Nielsen H, Lefèvre J P. "一种的合成方法" [P]. European Patent, EP 3877787 A1, 2017-08-26.
发明人沈红梅,王建平,黄志刚. "Method for the Synthesis of 1-Cyclopentanecarbonyl-azetidine-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 109139447 B, 授权公告日 2018-11-14.
参考文献 Literature
Zhang Y, Li Q, Chen T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chem., 2016, 2346, 8956-8981.
Chen X Y, Liu M, Zhao W Q. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chromatographia, 2014, 252, (4), 3159-3171.
Smith J A, Johnson M B. "Identification and Structural Characterization of a Novel Degradation Product of 1-Cyclopentanecarbonyl-azetidine-3-carboxylic acid Using HRMS and NMR". J. Chromatogr. A, 2018, 2172, (4), 1296-1314.
Yang F, Sun W, Liu J. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Sci. Total Environ., 2016, 1491, (3), 8193-8196.