2H-1,2,4-BENZOTHIADIAZINE, 7-CHLORO-3-(4-METHYL-1-PIPERAZINYL)-, 1,1-DIOXIDE 59943-31-6 7-Chloro-3-(4-methyl-1-piperazinyl)-2H-1,2,4-benzothiadiazine-1,1-dioxide 7-Chloro-3-(4-methyl-1-piperazinyl)-4H-1,2,4-benzothiadiazine-1,1-dioxide DU 717 DU-717 NSC 292806