PYRAZOLOPYRIDINE ADENOSINE ANTAGONISTS

摘要

The present invention relates to a novel pyrazolopyridine compound of formula (I) wherein R<1> is aryl, and R<2> is cyclo(lower)alkyl which may have one or more suitable substitutent(s), etc; and a pharmaceutically acceptable salt thereof, which is useful as a medicament. The pyrazolopyridine compound or a pharmaceutically acceptable salt thereof is an adenosine antagonist (especially, A1 receptor antagonist) and possesses various pharmacological actions.