| abstract |
ABSTRACT Pyrazoloindazole derivatives of the formula: [wherein R1 is a cyano group, carboxy group a lower alkoxycarbonyl group or a group (wherein R2 and R3 are each a hydrogen atom, a lower alkyl group, a phenyl group which may have a substitutent or when taken together with a nitrogen atom, form a heterocyclic ring); X? is a counter ion] , a process for preparing the same and a pharmaceutical composition containing the same are disclosed. The compounds of the formula above have bronchodilating action and are useful as a medicine. |