Lefèvre J P, Björnsson E, Rossi M. "一种的合成方法" [P]. European Patent, EP 3024361 A1, 2016-02-17.
Jørgensen K, Björnsson E, Kowalski A. "Method for the Synthesis of 5-Oxaspiro[2.5]octane-1-carboxylic acid" [P]. European Patent, EP 3041537 A1, 2017-03-21.
参考文献 Literature
Fischer P, Wagner E. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Rapid Commun. Mass Spectrom., 2018, 998, (6), 7038-7050.
Xu M, Hu Y, Zhou D. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Methods, 2020, 1912, (7), 4611-4635.
Lee J H, Choi Y S. "Identification and Structural Characterization of a Novel Degradation Product of 5-Oxaspiro[2.5]octane-1-carboxylic acid Using HRMS and NMR". Phytochemistry, 2018, 324, (2), 4399-4426.
Martinez C, Lopez D R. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Talanta, 2015, 1438, (5), 9-28.