4,7-Bis(5-bromothiophen-2-yl)-2λ4δ2-benzo[1,2-c;4,5-c']bis[1,2,5]thiadiazol 250mg

4,7-Bis(5-bromothiophen-2-yl)-2λ4δ2-benzo[1,2-c;4,5-c']bis[1,2,5]thiadiazol 250mg