PMID-sentid	Pub_year	Sent_text		comp_official_name	comp_offsetprotein_name	organism	prot_offset
33091380-5	2020	Comparing affinities, thiophene and methoxyacetyl fentanyls had highest selectivity for MOR (2520- and 2730-fold compared to KOR and DOR, respectively).	Thiophenes	22-31	opioid receptor mu 1	Homo sapiens	88-91