2-(2,7-Dimethyl-5H-thiazolo(3',2':1,2)pyrimido(4,5-d)pyrimidin-8-yl)ethanol 51810-67-4 5H-Pyrimido(4,5-d)thiazolo(3,2-a)pyrimidine-8-ethanol, 2,7-dimethyl- 5H-Thiachromine-8-ethanol, 2,7-dimethyl- (9CI) 92-35-3 EINECS 202-149-9 NSC 56339 Thiachrome Thiachromine-8-ethanol, 2,7-dimethyl- (8CI) Thiochrome