PMID-sentid	Pub_year	Sent_text		comp_official_name	comp_offsetprotein_name	organism	prot_offset
18851914-1	2008	A series of tetrakis-azaaromatic quaternary ammonium salts was synthesized to identify compounds with higher affinity and selectivity as antagonists at neuronal nicotinic receptor subtypes (nAChR) that mediate nicotine-evoked DA release.	quaternary ammonium salts	33-58	cholinergic receptor nicotinic alpha 4 subunit	Homo sapiens	190-195