PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 7858863-12 1994 The adenosine A2a receptor-selective agonists, CGS21680 and CV1808, produced only a hypotensive response which was antagonized by 8-sPT (40 mg kg-1) and to a much greater extent by CGS15943A (3 mg kg-1), consistent with the response being mediated solely by A2a receptors. 2-(4-(2-carboxyethyl)phenethylamino)-5'-N-ethylcarboxamidoadenosine 47-55 adenosine A2a receptor Rattus norvegicus 4-26