Lefèvre J P, Sørensen M, Mueller T C. "一种的合成方法" [P]. European Patent, EP 3168673 A1, 2018-01-03.
Brown S R, Patel M V, Anderson J P. "Method for the Synthesis of 8-Isopropyl-1,3-diazaspiro[4.5]decane-2,4-dione" [P]. US Patent, US 9126699 B2, 2024-01-20.
发明人周伟,赵玉洁,孙丽萍. "A Process for Preparing High-Purity 8-Isopropyl-1,3-diazaspiro[4.5]decane-2,4-dione" [P]. 中国发明专利, 专利号 CN 109135541 B, 授权公告日 2015-02-05.
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". Anal. Chem., 2019, 1577, (5), 4081-4108.
Mueller T, Schmidt R K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Sci. Total Environ., 2014, 1311, 3461-3486.
Fischer P, Wagner E. "Identification and Structural Characterization of a Novel Degradation Product of 8-Isopropyl-1,3-diazaspiro[4.5]decane-2,4-dione Using HRMS and NMR". J. Chromatogr. A, 2013, 1460, (6), 7799-7809.