PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 19811913-2 2009 Thus, extending the length of the original benzamide side chain by a single methylene unit imparts CCK1R affinity to the series, and further fine tuning of the affinity results in CCK1R selectivity of greater than 100-fold. benzamide 43-52 cholecystokinin A receptor Homo sapiens 99-104 19811913-2 2009 Thus, extending the length of the original benzamide side chain by a single methylene unit imparts CCK1R affinity to the series, and further fine tuning of the affinity results in CCK1R selectivity of greater than 100-fold. benzamide 43-52 cholecystokinin A receptor Homo sapiens 180-185