1-(2-(Bis(4-fluorophenyl)methoxy)ethyl)-4-(3-(4-fluorophenyl)propyl)piperazine dimethanesulfonate 77862-94-3 Gbr 13098 Gbr-13098 Piperazine, 1-(2-(bis(4-fluorophenyl)methoxy)ethyl)-4-(3-(4-fluorophenyl)propyl)-, dimethanesulfonate