2-aMino-9-((2R,3R,4S,5R)-3,4-dihydroxy-5-(hydroxyMethyl)tetrahydrofuran-2-yl)-7-Methyl-6-oxo-6,7-dihydro-1H-purin-9-iuM 2-amino-6,9-dihydro-7-methyl-6-oxo-9-1H-Purinium 2-Amino-6,9-dihydro-7-methyl-6-oxo-9-β-D-ribofuranosyl-1H-purin-7-ium 2-Amino-6-oxo-7-methyl-9-(β-D-ribofuranosyl)-1,6-dihydro-9H-purine-7-ium N(7)-Methylguanosine N7-Methylguanosine 1H-Purinium, 2-amino-6,9-dihydro-7-methyl-6-oxo-.beta.-D-ribofuranosyl- Aids024328