123039-93-0

A potent, full efficacy dopamine D 1 agonist which shows no agonist activity at peripheral D 2 receptors or adrenoceptors at doses which cause maximal stimulation of D 1 sites. The compound appears to be fully bioavailable in brain and exhibits profound antiparkinsonism effects in vivo .

D₁ Receptor: 10 nM (IC₅₀)