Hughes D C, Yamamoto T, Brown S R. "Method for the Synthesis of 2,8-Diazaspiro[5.5]undecane-1,7-dione" [P]. US Patent, US 10446176 B2, 2024-01-28.
发明人孙丽萍,沈红梅,唐晓军. "A Process for Preparing High-Purity 2,8-Diazaspiro[5.5]undecane-1,7-dione" [P]. 中国发明专利, 专利号 CN 117507884 B, 授权公告日 2015-08-24.
参考文献 Literature
Yang F, Sun W, Liu J. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chem., 2013, 2374, (1), 1674-1686.
Wang L, Li J, Zhang H. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chim. Acta, 2010, 624, 2284-2294.
Yang F, Sun W, Liu J. "Identification and Structural Characterization of a Novel Degradation Product of 2,8-Diazaspiro[5.5]undecane-1,7-dione Using HRMS and NMR". Talanta, 2021, 716, 3830-3857.