[(2R,3S,4R,5R)-5-(6-aminopurin-9-yl)-4-hydroxy-2-(phosphonatooxymethyl)oxolan-3-yl] phosphate
[(2R,3S,4R,5R)-5-(6-aminopurin-9-yl)-4-hydroxy-2-(phosphonatooxymethyl)tetrahydrofuran-3-yl] phosphate
[(2R,3S,4R,5R)-5-(6-amino-9-purinyl)-4-hydroxy-2-(phosphonatooxymethyl)-3-tetrahydrofuranyl] phosphate
[(2R,3S,4R,5R)-5-(6-aminopurin-9-yl)-4-hydroxy-2-(phosphatomethyl)tetrahydrofuran-3-yl] phosphate