There are disclosed various derivatives of eseroline and related compounds of the formula below <IMAGE> where R,R1, X,Z and m are as defined in the specification, which compounds being useful for enhancing cholinergic function, as antidepressant agents and as analgesic agents.
Memory enhancing and analgesic 1,2,3a,8,8a-hexahydro-3a,8(and 1,3a,8)-di(and tri)methylpyrrolo[2,3-b]indoles