Yamamoto T, Kumar R, Stevens L M. "Method for the Synthesis of 1-(2-Ethylcyclohexyl)-5-methylpyrrolidin-2-one" [P]. US Patent, US 11163786 B2, 2016-06-18.
发明人郭海燕,赵玉洁,郑宇鹏. "A Process for Preparing High-Purity 1-(2-Ethylcyclohexyl)-5-methylpyrrolidin-2-one" [P]. 中国发明专利, 专利号 CN 116900120 B, 授权公告日 2022-02-10.
参考文献 Literature
O'Brien K, Kennedy M L. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chemosphere, 2013, 1759, (9), 8631-8646.
Zhang Y, Li Q, Chen T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Environ. Sci. Technol., 2011, 1254, (7), 9265-9275.
Jensen P, Larsen A M, Olsen K. "Identification and Structural Characterization of a Novel Degradation Product of 1-(2-Ethylcyclohexyl)-5-methylpyrrolidin-2-one Using HRMS and NMR". J. Chromatogr. A, 2017, 2301, 52-78.