2-(3,4-(Methylenedioxy)phenyl)-6-(o-nitrophenyl)imidazo(2,1-b)-1,3,4-thiadiazole 91918-61-5 Imidazo(2,1-b)-1,3,4-thiadiazole, 2-(1,3-benzodioxol-5-yl)-6-(2-nitrophenyl)- Imidazo(2,1-b)-1,3,4-thiadiazole, 2-(3,4-(methylenedioxy)phenyl)-6-(o-nitrophenyl)-