57718-00-0 7-Methylguanosine-5'-triphosphoryl-2'-O-methylguanosine Guanosine 5'-(tetrahydrogen triphosphate), 2'-O-methyl-, 5'-5'-ester with 2-amino-6,9-dihydro-7-methyl-6-oxo-9-beta-D-ribofuranosyl-1H-purinium hydroxide, inner salt m(7)G(5')Pppgm