A GABAA receptor agonist whose potency varies depending on the receptor subunit composition (partial agonist at α1β2γ2 (ED50 = 143 µM), full agonist at α5 (ED50 = 28-129 µM), and super agonist at α4β3δ (ED50 = 6 µM)); acts as an antagonist at ρ1 GABAC receptors (IC50 = 25 µM).