2,9-Diacetylguanine3056-33-5100 % similar N2-Acetyl-9-(2-acetoxyethoxymethyl)guanine75128-73-354 % similar N-[9-[[2-(Acetyloxy)-1-[(acetyloxy)methyl]ethoxy]methyl]-6,9-dihydro-6-oxo-1H-purin-2-yl]acetamide86357-14-452 % similar N2-Acetylguanine19962-37-948 % similar