The flavone hispidulin, a benzodiazepine receptor ligand with positive allosteric properties, traverses the blood-brain barrier and exhibits anticonvulsive effects - Kavvadias, D; Sand, P; Youdim, K A; Qaiser, M Z; Rice-Evans, C; Baur, R; Sigel, E; Rausch, W D; Riederer, P; Schreier, P (Brit J Pharmacol, 2004)