there were high affinity binding sites for [ 3h ] - [ d-ala2 , mephe4 , gly ( ol ) 5 ] enkephalin ( dagol ) , [ 3h ] -u69593 , and [ 3h ] -ethylketocyclazocine ( ekc ) on spinal cord membranes from neonatal rats .
C0014298
enkephalin
C0525773
dagol