Kumar R, Mueller T, Williams B T. "一种的合成方法" [P]. US Patent, US 9661519 B2, 2015-02-24.
Anderson J P, Johnson M A, Hughes D C. "Method for the Synthesis of 5-(1,7-Diazaspiro[4.4]nonan-1-yl)isoxazole" [P]. US Patent, US 10455538 B2, 2024-08-26.
Mueller T C, Lefèvre J P, Rossi M. "A Process for Preparing High-Purity 5-(1,7-Diazaspiro[4.4]nonan-1-yl)isoxazole" [P]. European Patent, EP 3804184 A1, 2021-05-01.
参考文献 Literature
Martinez C, Lopez D R. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Biomed. Chromatogr., 2014, 1248, (2), 7664-7694.
Xu M, Hu Y, Zhou D. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Nat. Prod., 2014, 537, (3), 6871-6874.