发明人李文辉,张德明,沈红梅. "Method for the Synthesis of (S)-2-(1-((1-hydroxy-3-methylbutan-2-yl)amino)ethylidene)-5,5-dimethylcyclohexane-1,3-dione" [P]. 中国发明专利, 专利号 CN 111197040 A, 授权公告日 2016-01-10.
发明人周伟,罗永刚,高志强. "A Process for Preparing High-Purity (S)-2-(1-((1-hydroxy-3-methylbutan-2-yl)amino)ethylidene)-5,5-dimethylcyclohexane-1,3-dione" [P]. 中国发明专利, 专利号 CN 109807866 B, 授权公告日 2024-12-18.
参考文献 Literature
Fischer P, Wagner E. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chim. Acta, 2017, 288, 8699-8704.
Brown R C, Davis S M. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Environ. Sci. Technol., 2020, 572, 3606-3620.
O'Brien K, Kennedy M L. "Identification and Structural Characterization of a Novel Degradation Product of (S)-2-(1-((1-hydroxy-3-methylbutan-2-yl)amino)ethylidene)-5,5-dimethylcyclohexane-1,3-dione Using HRMS and NMR". Molecules, 2010, 219, (8), 582-596.