发明人杨光,唐晓军,冯建国. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 112172245 A, 授权公告日 2018-08-10.
Anderson J P, Chen K W, Brown S R. "Method for the Synthesis of N,9-Bis(4-nitrophenyl)-9H-purin-6-amine" [P]. US Patent, US 11216192 B2, 2021-06-17.
参考文献 Literature
Xu M, Hu Y, Zhou D. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Phytochemistry, 2010, 717, (10), 3438-3466.
Xu M, Hu Y, Zhou D. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chemosphere, 2019, 213, 761-770.
Brown R C, Davis S M. "Identification and Structural Characterization of a Novel Degradation Product of N,9-Bis(4-nitrophenyl)-9H-purin-6-amine Using HRMS and NMR". Molecules, 2010, 1172, 4145-4158.