2-(3,5-Dimethoxy-4-ethoxyphenyl)-6-(p-methoxyphenyl)imidazo(2,1-b)-1,3,4-thiadiazole 91918-73-9 Imidazo(2,1-b)-1,3,4-thiadiazole, 2-(3,5-dimethoxy-4-ethoxyphenyl)-6-(p-methoxyphenyl)-