New indazolyl-(4)-oxypropanolamine compounds of the formula ##STR1## wherein R.sub.1 is hydrogen or lower alkyl; and R.sub.2 is straight-chain or branched lower alkyl which can be substituted by lower alkylthio; And the pharmacologically compatible salts thereof; are outstandingly effective adrenergic .beta.-receptor inhibitors and useful in the treatment or prevention of a recurrence of cardiac and circulatory diseases.
新的indazolyl-(4)-oxypropanolamine化合物的公式为##STR1##其中R.sub.1是氢或低碳基; R.sub.2是直链或支链低碳基,可以被低碳
硫基取代;以及其药理兼容的盐;在治疗或预防心脏和循环疾病的复发方面,具有杰出的效果,是有效的
肾上腺素β-受体
抑制剂。