Furopyridine, thienopyridine, pyrrolopyridine and related pyrimidine, pyridazine and triazine compounds useful for the control of chemical synaptic transmission

摘要

Novel heterocyclic ether compounds having the formula: wherein A, m, R, X, Y1, Y2 and Y3 are specifically defined, which are useful in selectively controlling chemical synaptic transmission; therapeutically-effective pharmaceutical compositions thereof; and use of said compositions to selectively control synaptic transmission in mammals.