diethyl (3-((6-amino-8-oxo-2-(1H-pyrazol-1-yl)-7,8-dihydro-9H-purin-9-yl)methyl)benzyl)phosphonate

(3-((6-amino-8-oxo-2-(1H-pyrazol-1-yl)-7,8-dihydro-9H-purin-9-yl)methyl)benzyl)phosphonic acid

ethyl (3-allylbenzyl)(6-amino-2-((1-((tert-butyldimethylsilyl)oxy)hex-5-en-2-yl)amino)-5-nitropyrimidin-4-yl)carbamate