发明人郑宇鹏,沈红梅,陈志强. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 112147491 A, 授权公告日 2017-04-23.
Davis P L, Park J H, Patel M V. "Method for the Synthesis of 4-Methyl-1-oxa-4,9-diazaspiro[5.5]undecan-3-one" [P]. US Patent, US 11765834 B2, 2017-09-05.
发明人何建平,李文辉,陈志强. "A Process for Preparing High-Purity 4-Methyl-1-oxa-4,9-diazaspiro[5.5]undecan-3-one" [P]. 中国发明专利, 专利号 CN 110416840 B, 授权公告日 2015-11-27.
参考文献 Literature
Martinez C, Lopez D R. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Molecules, 2021, 489, 9034-9053.
Yang F, Sun W, Liu J. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chim. Acta, 2013, 1546, (12), 9134-9145.
Smith J A, Johnson M B. "Identification and Structural Characterization of a Novel Degradation Product of 4-Methyl-1-oxa-4,9-diazaspiro[5.5]undecan-3-one Using HRMS and NMR". Food Chem., 2012, 753, (7), 2075-2102.
Kowalski T, Nowak Z. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Chemosphere, 2016, 2431, (5), 4336-4340.