Complex sentence: Dianicline (SSR-591,813) is a drug deveoped by Sanofi-Aventis which acts as a subtype-selective neural nicotinic acetylcholine receptor partial agonist, binding primarily to the α4β2 subtype.
Split into simpler sentences: Dianicline (SSR-591,813) is a drug deveoped by Sanofi-Aventis which acts as a partial agonist at neural nicotinic acetylcholine receptors. It is subtype-selective, binding primarily to the α4β2 subtype.