This invention provides new compounds of formula I, ##STR1## wherein R.sub.1 is hydrogen, halogen of atomic number from 9 to 35, or alkyl or alkoxy of 1 to 4 carbon atoms, R.sub.2 is hydrogen or alkyl of 1 to 4 carbon atoms, R.sub.3 is hydrogen, chlorine, or alkyl of 1 to 4 carbon atoms, Either A and B are each hydrogen or together a single bond, and n is a whole number from 3 to 7, useful as salidiuretics.
本发明提供了一种新的化合物,其
化学式为I,其中R.sub.1为氢、原子序数为9至35的卤素或1至4个碳原子的烷基或烷氧基,R.sub.2为氢或1至4个碳原子的烷基,R.sub.3为氢、
氯或1至4个碳原子的烷基,A和B要么都是氢,要么在一起形成单键,n是3至7的整数,可用作利尿剂。