103344-20-3 2-(2-Ethoxyphenyl)-6-phenyl-8H-(1,3,4)thiadiazolo(3,2-a)thieno(2,3-d)pyrimidin-8-one 8H-(1,3,4)Thiadiazolo(3,2-a)thieno(2,3-d)pyrimidin-8-one, 2-(2-ethoxyphenyl)-6-phenyl- BRN 5648259