IUPAC:2-azanidyl-9-[(2R,3R,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]-7-methyl-6-sulfanylidene-6,9-dihydro-1H-purin-7-ium
IUPAC:2-azanidyl-9-[(2R,3R,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]-7-methyl-6-sulfanylidene-6,9-dihydro-1H-purin-7-ium