Description
An adenosine A1 receptor agonist (Ki = 6.5 nM); selective for adenosine A1 over A2 receptors (Ki = 2,315 nM); prolongs SH intervals in isolated perfused guinea pig hearts (EC50 = 40.6 nM); induces PR interval prolongation in anesthetized guinea pigs (ED50 = 0.9 µg/kg); reduces heart rate in anesthetized rats