pretreatment with the dopa-decarboxylate inhibitor , 3-hydroxy-benzyl-hydrazine ( nsd-1015 ; 25 mg/kg , i.p . ) completely blocked the mydriatic response to alpha-methyl-dopa , with neither alpha-methyl-dopamine nor alpha-methyl-noradrenaline reaching detectable levels in the oculomotor perfusate .
C0013023
dopa
C0025741
alpha-methyl-dopa