(2R,5R)-2-(6-amino-1-oxido-purin-1-ium-9-yl)-5-(hydroxymethyl)tetrahydrofuran-3,4-diol

(2R,5R)-2-(6-amino-1-oxido-purin-1-ium-9-yl)-5-(hydroxymethyl)tetrahydrofuran-3,4-diol

(4S,2R,3R,5R)-5-(6-amino-1-hydroxypurin-9-yl)-2-(hydroxymethyl)oxolane-3,4-diol

2-(6-amino-1-oxido-9H-purin-9-yl)-5-(hydroxymethyl)tetrahydro-3,4-furandiol

6-amino-9-((2R,5R)-3,4-dihydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)-9H-purine 1-oxide