Complex sentence: Ispronicline (TC-1734, AZD-3480) is a drug which acts as a subtype-selective neural nicotinic acetylcholine receptor partial agonist, binding primarily to the α4β2 subtype.
Split into simpler sentences: Ispronicline (TC-1734, AZD-3480) is a drug which acts as a partial agonist at neural nicotinic acetylcholine receptors. It is subtype-selective, binding primarily to the α4β2 subtype.