139332-64-2 4-(N,N-Dimethylaminosulphonyl)-7-(1-piperazinyl)-2,1,3-benzoxadiazole 4-Benzofurazansulfonamide, N,N-dimethyl-7-(1-piperazinyl)- 7-(1-Piperazinyl)-N,N-dimethyl-4-benzofurazan sulfonamide Dbd-PZ