T11799L

L-745870 is an orally active, selective, and efficient dopamine D4 receptor antagonist that crosses the blood-brain barrier. It also inhibits D2 receptors, 5-HT2 receptors, and α-adrenergic receptors, useful in neurological disease studies.

L-745870 hydrochloride has excellent brain penetration. L-745870 hydrochloride is a high-affinity, selective and orally active human dopamine D4 receptor antagonist with a Ki of 0.43 nM, and considerably weaker D2 receptor affinity with a Ki of 960 nM and D3 receptor affinity with a Ki of 2300 nM. 

L-745870 trihydrochloride is a highly potent and selective D4 dopamine receptor antagonist.