d1 receptor binding sites in the caudate nucleus were determined by in vitro autoradiography of the substituted benzazepine d1 antagonists , [ 3h ] sch 23390 or [ 125i ] sch 23982 , and contrasted to the pattern of striatal immunohistochemical reactivity of the second messenger compound , cyclic 3',5'-adenosine monophosphate .
C0007461
caudate nucleus
C0010097
striatal