发明人胡光,罗永刚,高志强. "Method for the Synthesis of 4-(4-Methoxybenzoyl)-8-propyl-1-oxa-4,8-diazaspiro[4.5]decane-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 110419845 B, 授权公告日 2022-04-07.
发明人郑宇鹏,马晓峰,林芳. "A Process for Preparing High-Purity 4-(4-Methoxybenzoyl)-8-propyl-1-oxa-4,8-diazaspiro[4.5]decane-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 111626254 B, 授权公告日 2020-06-24.
参考文献 Literature
Smith J A, Johnson M B. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Agric. Food Chem., 2016, 1940, (8), 7581-7598.
Mueller T, Schmidt R K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chemosphere, 2016, 716, (6), 3090-3106.
Martinez C, Lopez D R. "Identification and Structural Characterization of a Novel Degradation Product of 4-(4-Methoxybenzoyl)-8-propyl-1-oxa-4,8-diazaspiro[4.5]decane-3-carboxylic acid Using HRMS and NMR". Talanta, 2021, 113, (8), 3113-3137.
O'Brien K, Kennedy M L. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Rapid Commun. Mass Spectrom., 2022, 966, 8206-8214.