发明人罗永刚,赵玉洁,郭海燕. "Method for the Synthesis of 9-Methyl-6-oxa-2,9-diazaspiro[4.5]decane" [P]. 中国发明专利, 专利号 CN 109364574 A, 授权公告日 2020-02-07.
发明人赵玉洁,刘建华,黄志刚. "A Process for Preparing High-Purity 9-Methyl-6-oxa-2,9-diazaspiro[4.5]decane" [P]. 中国发明专利, 专利号 CN 117648501 B, 授权公告日 2015-04-24.
参考文献 Literature
Kumar A, Sharma P, Patel R S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chem., 2020, 1831, 3182-3201.
Yang F, Sun W, Liu J. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Agric. Food Chem., 2023, 2204, (1), 4274-4303.
Chen X Y, Liu M, Zhao W Q. "Identification and Structural Characterization of a Novel Degradation Product of 9-Methyl-6-oxa-2,9-diazaspiro[4.5]decane Using HRMS and NMR". Biomed. Chromatogr., 2013, 1484, 1170-1173.