PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 11714893-5 2001 Of the LAs tested, those with structures containing two separated aromatic rings (e.g., proadifen and adiphenine) had the greatest inhibition potency (IC(50) values between 0.34 and 6.3 microM) but lowest selectivity (approximately 4-fold) across the four nAChR subtypes examined. Proadifen 88-97 cholinergic receptor nicotinic alpha 4 subunit Homo sapiens 256-261