Nowak P, Johansson L, Schröder R. "Method for the Synthesis of 1-((1,4-Oxazepan-4-yl)methyl)cyclopentane-1-carboxylic acid" [P]. European Patent, EP 3418261 A1, 2020-12-01.
Williams B T, Johnson M A, Hughes D C. "A Process for Preparing High-Purity 1-((1,4-Oxazepan-4-yl)methyl)cyclopentane-1-carboxylic acid" [P]. US Patent, US 9106788 B2, 2020-09-25.
参考文献 Literature
Mueller T, Schmidt R K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chromatographia, 2014, 846, (2), 1891-1921.
Wang L, Li J, Zhang H. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Environ. Sci. Technol., 2012, 1008, 7986-8000.
Kumar A, Sharma P, Patel R S. "Identification and Structural Characterization of a Novel Degradation Product of 1-((1,4-Oxazepan-4-yl)methyl)cyclopentane-1-carboxylic acid Using HRMS and NMR". Biomed. Chromatogr., 2015, 1154, 6664-6689.
Xu M, Hu Y, Zhou D. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Agric. Food Chem., 2016, 2392, 7561-7585.