Patel M V, Schröder R, Lee S K. "一种的合成方法" [P]. US Patent, US 11336666 B2, 2022-01-16.
发明人朱建伟,黄志刚,钱学锋. "Method for the Synthesis of 6-Ethoxyspiro[benzo[e][1,3]oxazine-2,4'-piperidin]-4(3H)-one hydrochloride" [P]. 中国发明专利, 专利号 CN 112141852 A, 授权公告日 2017-09-05.
Lefèvre J P, Johansson L, Sørensen M. "A Process for Preparing High-Purity 6-Ethoxyspiro[benzo[e][1,3]oxazine-2,4'-piperidin]-4(3H)-one hydrochloride" [P]. European Patent, EP 3189533 A1, 2022-07-25.
参考文献 Literature
Hughes D, Roberts J, Thomas A. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Environ. Sci. Technol., 2011, 2336, (3), 792-803.
Smith J A, Johnson M B. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Chromatogr. A, 2016, 85, (8), 3087-3095.
Chen X Y, Liu M, Zhao W Q. "Identification and Structural Characterization of a Novel Degradation Product of 6-Ethoxyspiro[benzo[e][1,3]oxazine-2,4'-piperidin]-4(3H)-one hydrochloride Using HRMS and NMR". Anal. Methods, 2014, 1819, (8), 4147-4162.