PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 31782100-7 2020 Furthermore, ex vivo, the A2AR agonist CGS21680 (100 nM) produced a marked and significant increase of the D2R Ki high values in the OSU-6162-treated versus vehicle-treated rats under maintenance of cocaine self-administration. 2-(4-(2-carboxyethyl)phenethylamino)-5'-N-ethylcarboxamidoadenosine 39-47 adenosine A2a receptor Rattus norvegicus 26-30