Novel benzodioxole derivative of the formula: ##STR1## wherein R.sup.1 is a lower alkyl group, a lower alkoxy-lower alkyl group, phenyl group or pyridyl group, R.sup.2 is hydrogen atom or a halogen atom and R.sup.3 is hydrogen atom or a lower alkyl group, and a salt thereof are disclosed. Said derivative (I) and a salt thereof have potent diuretic, saluretic and uricosuric activities.
式(I)所示的新型苯并
二噁烷衍
生物:##STR1##其中R1为低级烷基、低级烷氧基低级烷基、苯基或
吡啶基,R2为氢原子或卤素原子,R3为氢原子或低级烷基,及其盐被公开。所述衍
生物(I)及其盐具有强效的利尿、盐皮质激素样和
尿酸排泄作用。