Pyrazoloindazole derivatives, process for preparing the same...

Details Pyrazoloindazole derivatives, process for preparing the same... Pyrazoloindazole derivatives, process for preparing the same...

C - Chemistry, Metallurgy

07

D

260/266.5, 260/2

C07D 487/04 (2006.01) C07D 231/56 (2006.01)

Patent

CA 1175826

ABSTRACT Pyrazoloindazole derivatives of the formula: Image [wherein R1 is a cyano group, carboxy group a lower alkoxycarbonyl group or a group Image (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.

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