B651092
((2R,3S,4R,5R)-5-(2-amino-6,8-dioxo-1,6,7,8-tetrahydro-9H-purin-9-yl)-3,4-dihydroxytetrahydrofuran-2-yl)methyl triphosphate
((2R,3S,4R,5R)-5-(2-amino-6,8-dioxo-1,6,7,8-tetrahydro-9H-purin-9-yl)-3,4-dihydroxytetrahydrofuran-2-yl)methyl triphosphate