NEW OXAZOLOPYRIDINE DERIVATIVES, PROCESSES FOR PREPARING THESE AND PHARMACEUTICAL COMPOSITIONS CONTAINING THEM

摘要

The invention relates to the analgesic compounds of general formula (I): in which: R1, R2, R3, R4, A, Z and m are as defined in the description, their isomers, epimers and diastereoisomers, their addition salts with a pharmaceutically acceptable acid and, when R1 and R2 each represent a hydrogen atom, their addition salts with a pharmaceutically acceptable base.