... -Amino-1 ,9-dihydro-9-((2-hydroxy-1-(hydroxymethyl) ethoxy) methyl)-6H-purin-6-one; 9 - ((2-Hydroxy-1-(hydroxymethyl) ... Nor-2'-deoxyguanosineName ganciclovir; 9 - (1,3 - dihydroxy -2-- C O-methyl) guaninecopyRightMolecular structure of ganciclovir, 9 - (1,3 - dihydroxy -2-- C ... O-methyl) guanine, CAS #: 82410-32-0 Molecular Formula C9H13N5O4MW 255.23CAS ...