1-(2,6-Dimethyl-3-nitro-4-pyridinyl)-4-(4-fluorophenyl)piperazine N-oxide dihydrochloride 106101-39-7 Piperazine, 1-(2,6-dimethyl-3-nitro-4-pyridinyl)-4-(4-fluorophenyl)-, N-oxide, dihydrochloride