发明人唐晓军,马晓峰,黄志刚. "Method for the Synthesis of 3-Methyl-1,3,7-triazaspiro[4.4]nonane-2,4-dione" [P]. 中国发明专利, 专利号 CN 114877912 B, 授权公告日 2016-03-04.
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". Molecules, 2014, 1645, (2), 7307-7319.
Mueller T, Schmidt R K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chemosphere, 2025, 945, (11), 8991-9015.
Yang F, Sun W, Liu J. "Identification and Structural Characterization of a Novel Degradation Product of 3-Methyl-1,3,7-triazaspiro[4.4]nonane-2,4-dione Using HRMS and NMR". J. Chromatogr. A, 2023, 1301, (4), 4353-4380.
Fischer P, Wagner E. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Agric. Food Chem., 2013, 125, 4039-4042.