4-(2-(Dimethylamino)-1-(1-hydroxycyclohexyl)ethyl)phenol 93413-62-8 DVS 233 Desvenlafaxine Desvenlafaxine [INN] O-Desmethylvenlafaxine Phenol, 4-(2-(dimethylamino)-1-(1-hydroxycyclohexyl)ethyl)-