1H-Purinium, 2-amino-6,9-dihydro-7-methyl-9-beta-D-ribofuranosyl-6-thioxo-, hydroxide, inner salt 2-Amino-6,9-dihydro-7-methyl-9-beta-D-ribofuranosyl-6-thioxo-1H-purinium hydroxide, inner salt 2-Amino-6-mercapto-7-methylpurine ribonucleoside 55727-10-1 6-Mercapto-7-methylguanosine MESG