the rank order of potency among opioidbenzomorphans and phencyclidine ( pcp ) analogs for competition for [ 3h ] ( d ) -nanm-binding sites is as follows : ( d ) -nanm = pcp-3-oh greater than ( d ) -cyclazocine greater than n-ethylphenylcyclohexylamine greater than pcp greater than ( l ) -cyclazocine = dextrorphan greater than ( d/l ) -ethylketocyclazocine greater than ( d/l ) -bremazocine greater than ( 1 ) -nanm greater than 1-phenylcyclohexylamine greater than levorphanol .
C0010526
cyclazocine
C0079314
ethylketocyclazocine