PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 21792677-5 2011 CGS21680, an adenosine A2(A) receptor agonist, induced BDNF expression and release. 2-(4-(2-carboxyethyl)phenethylamino)-5'-N-ethylcarboxamidoadenosine 0-8 adenosine A2a receptor Rattus norvegicus 13-37