Synonyms: U50,488;2-(3,4-dichlorophenyl)-N-methyl-N-(2-pyrrolidin-1-ylcyclohexyl)acetami de;3,4-Dichloro-N-methyl-N-(2-(1-pyrrolidinyl)-cyclohexyl)-benzeneacetamide, (trans)-Isomer;U-50488 mesylate (±)-;trans-(±)-3,4-Dichloro-N-methyl-N-[2-(1-pyrrolidinyl)cyclohexyl]benzeneacetamide mesylate;rel-3,4-Dichloro-N-methyl-N-[(1α*)-2β*-(1-pyrrolidinyl)cyclohexyl]benzeneacetamide;3,4-Dichloro-N-methyl-N-[(1β,2α)-2-(1-pyrrolidinyl)cyclohexyl]benzeneacetamide;3,4-Dichloro-N-methyl-N-[2α-(pyrrolidin-1-yl)cyclohexan-1β-yl]benzeneacetamide