发明人张德明,林芳,李文辉. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 108488691 A, 授权公告日 2017-09-04.
Sørensen M, Jørgensen K, Lefèvre J P. "Method for the Synthesis of 2-Butyl-5,5-dimethyl-1,5-dihydro-4H-imidazol-4-one" [P]. European Patent, EP 3349147 A1, 2015-05-14.
发明人马晓峰,李文辉,王建平. "A Process for Preparing High-Purity 2-Butyl-5,5-dimethyl-1,5-dihydro-4H-imidazol-4-one" [P]. 中国发明专利, 专利号 CN 116834247 A, 授权公告日 2017-04-21.
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". Biomed. Chromatogr., 2012, 2224, 6729-6737.
Jensen P, Larsen A M, Olsen K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chromatographia, 2013, 1833, (7), 7000-7016.
Kumar A, Sharma P, Patel R S. "Identification and Structural Characterization of a Novel Degradation Product of 2-Butyl-5,5-dimethyl-1,5-dihydro-4H-imidazol-4-one Using HRMS and NMR". Chemosphere, 2021, 2198, 391-419.
Brown R C, Davis S M. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Environ. Sci. Technol., 2023, 866, (1), 4504-4507.