intracarotid ( i.c . ) injections of adenosine and its analogues , neca ( 5'-n-ethylcarboxamidoadenosine ) , l-pia ( l-n6-phenylisopropyladenosine ) , and d-pia ( d-n6-phenylisopropyladenosine ) , caused dose-related increases in chemosensory discharge .
C0001443
adenosine
C0031484
phenylisopropyladenosine