alpha-adrenoceptor ligands inhibited binding of the ligands with the following orders of potency : prazosin greater than be 2254 greater than yohimbine greater than rx 781094 greater than clonidine in the case of ( 3h ) -prazosin , and yohimbine greater than rx 781094 greater than clonidine greater than prazosin in the case of ( 3h ) yohimbine .
C0034784
alpha-adrenoceptor
C1517880
binding