Synonyms: Guanine,N,9-diacetyl- (7CI,8CI);2,9-Diacetylguanine;N2,9-Diacetylguanine;N-(9-acetyl-6-oxo-6,9-dihydro-3H-purin-2-yl)acetamide;acetamide, N-(9-acetyl-6,9-dihydro-6-oxo-1H-purin-2-yl)-;N-(9-Acetyl-6-hydroxy-9H-purin-2-yl)acetamide;N-(9-Acetyl-6-oxo-6,9-dihydro-1H-purin-2-yl)acetamide;