5-[2-(1-ethylnaphtho[1,2-d]thiazol-2(1H)-ylidene)-1-methylethylidene]-1,3-bis(2-methoxyethyl)barbituric acid

5-[2-(1-Ethylnaphtho[1,2-d]thiazol-2(1H)-ylidene)-1-methylethylidene]-1,3-bis(2-methoxyethyl)pyrimidine-2,4,6(1H,3H,5H)-trione