2-((4-Tert-butyl-1-(4-fluorobenzyl)cyclohexyl)oxy)-N,N-dimethylethanamine 2-butenedioate AIDS-158545 AIDS158545 Cis-2((1-(4-fluorphenyl-methyl)-4-tert.butylcyclohexyl)oxy)N, N-dimethyl-1-ethanamine-,salt of Fumaric acid NSC670223 NSC670226 Trans-2((1-(4-fluorphenyl-methyl)-4-tert.butylcyclohexyl)oxy)N, N-dimethyl-1-ethanamine-, salt with fumaric acid