Yamamoto T, Fischer A B, Kumar R. "Method for the Synthesis of 6-oxa-2,9-diazaspiro[4.5]decan-8-one;hydrochloride" [P]. US Patent, US 10524936 B2, 2019-09-22.
发明人马晓峰,黄志刚,赵玉洁. "A Process for Preparing High-Purity 6-oxa-2,9-diazaspiro[4.5]decan-8-one;hydrochloride" [P]. 中国发明专利, 专利号 CN 117212315 B, 授权公告日 2017-12-21.
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". J. Pharm. Biomed. Anal., 2013, 1586, (6), 7561-7587.
Xu M, Hu Y, Zhou D. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chem., 2011, 1032, 863-866.
Kowalski T, Nowak Z. "Identification and Structural Characterization of a Novel Degradation Product of 6-oxa-2,9-diazaspiro[4.5]decan-8-one;hydrochloride Using HRMS and NMR". Chromatographia, 2021, 180, 8625-8646.