Synonyms: 9H-Imidazo[1,2-a]purin-9-one,1,4-dihydro-4,6-dimethyl- (8CI,9CI); 1,4-Dihydro-4,6-dimethyl-9H-imidazo[1,2-a]purin-9-one;4,9-Dihydro-4,6-dimethyl-9-oxo-1H-imidazo-1,2a-purine;4,9-Dihydro-4,6-dimethyl-9-oxo-1H-imidazo[1,2-a]purine; Wye; Yt-base