4-Bromo-2,1,3-benzothiadiazole (CAS NO.22034-13-5) is also named as 2,1,3-Benzothiadiazole, 4-bromo- ; 4-Bromo-2,1,3-benzothiadiazole, 97% ; 4-Bromo-benzo[1,2,5]thiadiazole .