beta-funaltrexamine ( beta-fna ) was tested in the spinal cord and supraspinally against inhibition of reflex bladder contractions produced in the anesthetized rat by the opioid-receptor selective agonists [ d-ala2 , mephe4 , gly ( ol ) 5 ] enkephalin ( dago , mu-agonist ) and [ d-pen2 , d-pen5 ] enkephalin ( dpdpe , delta-agonist ) .
C0014298
enkephalin
C0525856
dpdpe