Compounds and method for treatment or prophylaxis of cardiac disorders

摘要

A short-acting beta -blocking compound of the formula <IMAGE> wherein Ar may be substituted or unsubstituted aromatic, Y may be a straight or branched carbon chain or aralkyl, R may be lower alkyl, lower alkenyl, lower alkynyl, aryl or aralkyl, and x is an integer from 1 to about 3; or a pharmaceutically acceptable salt thereof.