Lefèvre J P, Johansson L, Rossi M. "一种的合成方法" [P]. European Patent, EP 3837914 A1, 2016-04-01.
发明人林芳,陈志强,李文辉. "Method for the Synthesis of 3-(4-Methoxybenzyl)-1,3,7-triazaspiro[4.4]nonane-2,4-dione hydrochloride" [P]. 中国发明专利, 专利号 CN 109745240 A, 授权公告日 2023-06-01.
发明人郭海燕,黄志刚,徐明华. "A Process for Preparing High-Purity 3-(4-Methoxybenzyl)-1,3,7-triazaspiro[4.4]nonane-2,4-dione hydrochloride" [P]. 中国发明专利, 专利号 CN 116153174 B, 授权公告日 2019-07-19.
参考文献 Literature
Mueller T, Schmidt R K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Pharm. Biomed. Anal., 2013, 2339, 4155-4176.
Fischer P, Wagner E. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Sep. Sci., 2022, 1125, 7416-7435.
Kumar A, Sharma P, Patel R S. "Identification and Structural Characterization of a Novel Degradation Product of 3-(4-Methoxybenzyl)-1,3,7-triazaspiro[4.4]nonane-2,4-dione hydrochloride Using HRMS and NMR". Environ. Sci. Technol., 2016, 2348, 7496-7526.
Fischer P, Wagner E. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Agric. Food Chem., 2015, 1956, (2), 5018-5037.