(3-amino-2-hydroxy propyloxy) thiochromans of the formula ##STR1## wherein A is hydrogen or halogen, R.sub.1 is hydrogen or lower alkyl, and R.sub.2 is lower alkyl or cyclo lower alkyl. These compounds possess cardiovascular properties and may be used as blockers of cardiac .beta. adrenergic receptors.
化学式为 ##STR1## 的(3-
氨基-2-羟基丙氧基)
硫代色基烷,其中A为氢或卤素,R.sub.1为氢或低碳基,R.sub.2为低碳基或环状低碳基。这些化合物具有心血管特性,可用作心脏β
肾上腺素受体的阻滞剂。