Lefèvre J P, Sørensen M, Martínez F. "一种的合成方法" [P]. European Patent, EP 3511388 A1, 2024-04-25.
Davis P L, Klinger H, Brown S R. "Method for the Synthesis of 1,1-Dimethylethyl 1-fluoro-7-hydroxy-2-azaspiro[3.5]nonane-2-carboxylate" [P]. US Patent, US 9089642 B2, 2018-12-11.
Davis P L, Roberts E F, Williams B T. "A Process for Preparing High-Purity 1,1-Dimethylethyl 1-fluoro-7-hydroxy-2-azaspiro[3.5]nonane-2-carboxylate" [P]. US Patent, US 10635782 B2, 2024-03-18.
参考文献 Literature
Garcia M, Rodriguez P. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chromatographia, 2012, 1072, (7), 6133-6142.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Environ. Sci. Technol., 2024, 560, (1), 985-1011.