1-(3-(Trifluoromethyl)benzyl)-4-(2-((3-(trifluoromethyl)benzyl)oxy)ethyl)piperazine 3-(Trifluoromethyl)benzyl 2-(4-(3-(trifluoromethyl)benzyl)-1-piperazinyl)ethyl ether AIDS-130430 AIDS130430 NSC600304