1,3-Btdzd 1,3-DIHYDRO-2,2-DIOXIDE-2,1,3-BENZOTHIADIAZOLE 1615-06-1 1H,3H-2,1,3-Benzothiadiazole 2,2-dioxide 2,1,3-Benzothiadiazole, 1,3-dihydro-, 2,2-dioxide