发明人陈志强,李文辉,郭海燕. "Method for the Synthesis of Caffeine Impurity 12" [P]. 中国发明专利, 专利号 CN 108885259 B, 授权公告日 2018-09-10.
Schröder R, Lefèvre J P, Mueller T C. "A Process for Preparing High-Purity Caffeine Impurity 12" [P]. European Patent, EP 3003888 A1, 2020-06-16.
参考文献 Literature
Kim S H, Park J Y. "Development and Validation of an LC-MS/MS Method for the Determination of 咖啡因杂质12 in Pharmaceutical Formulations". Food Chem., 2024, 634, (6), 7455-7474.
Wang L, Li J, Zhang H. "A Stability-Indicating HPLC Method for the Separation and Quantification of 咖啡因杂质12 as an Impurity". Anal. Chem., 2021, 1892, (5), 6274-6296.
Wang L, Li J, Zhang H. "Identification and Structural Characterization of a Novel Degradation Product of Caffeine Impurity 12 Using HRMS and NMR". Biomed. Chromatogr., 2013, 1524, (1), 5521-5533.