Thompson G K, Yamamoto T, Williams B T. "一种7-甲基黄嘌呤的合成方法" [P]. US Patent, US 9829402 B2, 2022-06-17.
Park J H, Williams B T, Roberts E F. "Method for the Synthesis of 7-Methylxanthine" [P]. US Patent, US 9886340 B2, 2024-01-18.
发明人何建平,李文辉,高志强. "A Process for Preparing High-Purity 7-Methylxanthine" [P]. 中国发明专利, 专利号 CN 113309798 B, 授权公告日 2024-11-21.
参考文献 Literature
O'Brien K, Kennedy M L. "Development and Validation of an LC-MS/MS Method for the Determination of 7-甲基黄嘌呤 in Pharmaceutical Formulations". Anal. Chem., 2016, 977, 1091-1100.
Martinez C, Lopez D R. "A Stability-Indicating HPLC Method for the Separation and Quantification of 7-甲基黄嘌呤 as an Impurity". J. Agric. Food Chem., 2013, 1262, (9), 6172-6175.
Xu M, Hu Y, Zhou D. "Identification and Structural Characterization of a Novel Degradation Product of 7-Methylxanthine Using HRMS and NMR". Biomed. Chromatogr., 2025, 2471, 9016-9034.
Kumar A, Sharma P, Patel R S. "Forced Degradation Studies to Evaluate 7-甲基黄嘌呤 Profile in Drug Substances According to ICH Guidelines". J. Nat. Prod., 2019, 1314, 2009-2017.