6-(4-Chlorophenyl)-2-(3,5-dimethoxy-4-ethoxyphenyl)imidazo(2,1-b)-1,3,4-thiadiazole 91918-70-6 Imidazo(2,1-b)-1,3,4-thiadiazole, 6-(4-chlorophenyl)-2-(3,5-dimethoxy-4-ethoxyphenyl)-