N2-Boc-guanine-9-acetic acid1028077-12-432 % similar N-[9-[[2-(Acetyloxy)-1-[(acetyloxy)methyl]ethoxy]methyl]-6,9-dihydro-6-oxo-1H-purin-2-yl]acetamide86357-14-431 % similar N2-(2-Methylpropanoyl)-guanosine64350-24-931 % similar N2-Isobutyryl-2'-deoxyguanosine68892-42-230 % similar