A short-acting .beta.-blocking compound of the formula ##STR1## 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.
一种短效β-阻滞化合物的
化学式为##STR1##其中Ar可能是取代或未取代的芳香族,Y可能是直链或支链碳链或芳基烷基,R可能是低碳链基,低烯基,低炔基,芳基或芳基烷基,x为1到约3之间的整数;或其药用盐。