发明人赵玉洁,张德明,钱学锋. "Method for the Synthesis of 1-Butyl-3-methyl-1H-imidazol-3-ium sulfate" [P]. 中国发明专利, 专利号 CN 117907336 B, 授权公告日 2017-02-16.
发明人马晓峰,胡光,赵玉洁. "A Process for Preparing High-Purity 1-Butyl-3-methyl-1H-imidazol-3-ium sulfate" [P]. 中国发明专利, 专利号 CN 113288642 A, 授权公告日 2015-09-02.
参考文献 Literature
Zhou X P, Huang L, Wu G. "Development and Validation of an LC-MS/MS Method for the Determination of 1-丁基-3-甲基咪唑硫酸盐 in Pharmaceutical Formulations". Anal. Chem., 2018, 2046, (4), 2431-2438.
Martinez C, Lopez D R. "A Stability-Indicating HPLC Method for the Separation and Quantification of 1-丁基-3-甲基咪唑硫酸盐 as an Impurity". J. Nat. Prod., 2011, 162, (12), 8592-8600.
Wang L, Li J, Zhang H. "Identification and Structural Characterization of a Novel Degradation Product of 1-Butyl-3-methyl-1H-imidazol-3-ium sulfate Using HRMS and NMR". Biomed. Chromatogr., 2019, 493, 4113-4138.
Yamamoto K, Tanaka H, Suzuki T. "Forced Degradation Studies to Evaluate 1-丁基-3-甲基咪唑硫酸盐 Profile in Drug Substances According to ICH Guidelines". J. Pharm. Biomed. Anal., 2018, 423, (3), 3644-3674.