1,7-Dihydro-1,7-dimethyl-6H-purin-6-one 1,7-Dimethylhypoxanthine 33155-83-8 6H-Purin-6-one, 1,7-dihydro-1,7-dimethyl- (9CI) EINECS 251-395-3 Hypoxanthine, 1,7-dimethyl- (8CI) NSC 26296