发明人冯建国,郭海燕,朱建伟. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 116551167 A, 授权公告日 2021-05-24.
Williams B T, Schröder R, Klinger H. "Method for the Synthesis of 9-(p-Tolyl)-9H-purine-2,6-diamine" [P]. US Patent, US 10740108 B2, 2022-10-04.
O'Brien P Q, Fischer A B, Klinger H. "A Process for Preparing High-Purity 9-(p-Tolyl)-9H-purine-2,6-diamine" [P]. US Patent, US 9580813 B2, 2024-01-08.
参考文献 Literature
Lee J H, Choi Y S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Food Chem., 2011, 1146, 7318-7332.
Mueller T, Schmidt R K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Chromatogr. A, 2021, 846, 3311-3315.
Smith J A, Johnson M B. "Identification and Structural Characterization of a Novel Degradation Product of 9-(p-Tolyl)-9H-purine-2,6-diamine Using HRMS and NMR". Chemosphere, 2013, 714, 7484-7511.