发明人林芳,张德明,徐明华. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 114044392 A, 授权公告日 2023-09-07.
发明人马晓峰,孙丽萍,徐明华. "Method for the Synthesis of 6-Chloro-9-(4-chlorobutyl)-9H-purine" [P]. 中国发明专利, 专利号 CN 117376419 A, 授权公告日 2023-08-13.
Martínez F, Schröder R, Björnsson E. "A Process for Preparing High-Purity 6-Chloro-9-(4-chlorobutyl)-9H-purine" [P]. European Patent, EP 3299230 A1, 2019-12-23.
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". Biomed. Chromatogr., 2012, 2167, 3142-3151.
Garcia M, Rodriguez P. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Sci. Total Environ., 2011, 2081, (6), 2838-2847.
Zhang Y, Li Q, Chen T. "Identification and Structural Characterization of a Novel Degradation Product of 6-Chloro-9-(4-chlorobutyl)-9H-purine Using HRMS and NMR". Food Chem., 2021, 1613, (2), 1104-1126.