发明人林芳,沈红梅,韩伟. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 113725321 A, 授权公告日 2020-11-04.
发明人陈志强,何建平,冯建国. "Method for the Synthesis of 2-Amino-9-((2R,4S,5R)-4-hydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)-8-(pyren-2-ylamino)-1H-purin-6(9H)-one" [P]. 中国发明专利, 专利号 CN 116317502 A, 授权公告日 2019-05-17.
发明人朱建伟,唐晓军,罗永刚. "A Process for Preparing High-Purity 2-Amino-9-((2R,4S,5R)-4-hydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)-8-(pyren-2-ylamino)-1H-purin-6(9H)-one" [P]. 中国发明专利, 专利号 CN 109709834 A, 授权公告日 2015-12-04.
参考文献 Literature
Martinez C, Lopez D R. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chemosphere, 2015, 1608, (10), 6677-6695.
Kim S H, Park J Y. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Rapid Commun. Mass Spectrom., 2017, 1850, 8801-8818.
Garcia M, Rodriguez P. "Identification and Structural Characterization of a Novel Degradation Product of 2-Amino-9-((2R,4S,5R)-4-hydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)-8-(pyren-2-ylamino)-1H-purin-6(9H)-one Using HRMS and NMR". Molecules, 2011, 303, (2), 2274-2280.
Chen X Y, Liu M, Zhao W Q. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Chromatogr. A, 2016, 1998, (4), 1956-1985.