we also tested the ability of beta-cna to block food intake stimulated by selective agonists of kappa , mu and delta opioid receptors : dynorphin a2 ( dyn ) , tyr-d-ala-gly- ( me ) phe-gly-ol ( dago ) , and [ ( d-ser2 , leu5 ] -enkephalin-thr6 ( dslet ) .
C0525773
dago
C0014298
enkephalin