Jørgensen K, Kowalski A, Martínez F. "一种的合成方法" [P]. European Patent, EP 3935816 A1, 2018-06-07.
发明人胡光,张德明,黄志刚. "Method for the Synthesis of 4-(3-Chloropropyl)-9-oxa-1,4-diazaspiro[5.5]undecane-2,5-dione" [P]. 中国发明专利, 专利号 CN 115995223 B, 授权公告日 2016-10-25.
参考文献 Literature
Zhou X P, Huang L, Wu G. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Sci. Total Environ., 2013, 320, (4), 3009-3034.
Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Rapid Commun. Mass Spectrom., 2020, 606, (2), 2146-2170.
Kowalski T, Nowak Z. "Identification and Structural Characterization of a Novel Degradation Product of 4-(3-Chloropropyl)-9-oxa-1,4-diazaspiro[5.5]undecane-2,5-dione Using HRMS and NMR". J. Pharm. Biomed. Anal., 2018, 2335, 5169-5182.
Kim S H, Park J Y. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Environ. Sci. Technol., 2011, 345, (1), 9576-9599.