Venlafaxine O-Desmethyl N-Desmethyl Impurity

Chemical Name: O-Desmethyl N-Desmethyl Venlafaxine ; N-Desmethyl Desvenlafaxine ; N,O-Didesmethyl Venlafaxine ; 4-[2-(Methylamino)-1-(1-hydroxycyclohexyl) ethyl]phenol ;