in the presence of carbidopa , a dose-dependent increase in locomotor activity over 4 1/2 h was observed following administration of l-dopa ( 10 , 20 or 40 mg/kg p.o . ) or nb-355 ( 20 , 40 or 80 mg/kg p.o . dopa equivalent ) .
C0023570
l-dopa
C0013023
dopa