Björnsson E, Johansson L, Martínez F. "一种的合成方法" [P]. European Patent, EP 3030490 A1, 2017-04-28.
发明人高志强,马晓峰,冯建国. "Method for the Synthesis of 1'-Oxo-2'-((tetrahydrofuran-2-yl)methyl)-1',4'-dihydro-2'h-spiro[cyclopentane-1,3'-isoquinoline]-4'-carboxylic acid" [P]. 中国发明专利, 专利号 CN 114724566 A, 授权公告日 2022-06-24.
参考文献 Literature
Lee J H, Choi Y S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Molecules, 2014, 1939, 6684-6693.
Martinez C, Lopez D R. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Agric. Food Chem., 2016, 717, (10), 2107-2137.
Fischer P, Wagner E. "Identification and Structural Characterization of a Novel Degradation Product of 1'-Oxo-2'-((tetrahydrofuran-2-yl)methyl)-1',4'-dihydro-2'h-spiro[cyclopentane-1,3'-isoquinoline]-4'-carboxylic acid Using HRMS and NMR". Chemosphere, 2014, 1752, (9), 5696-5703.
Kumar A, Sharma P, Patel R S. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chem., 2010, 1941, (6), 9997-10019.