123497-14-3 1H-Purinium, 2-amino-9-(2-deoxy-3-O-phosphono-beta-D-erythro-pentofuranosyl)-6,9-dihydro-7-methyl-6-oxo-, hydroxide, inner salt 7-Methyl-2'-deoxyguanosine 3'-monophosphate 7-Methyl-dgmp