in the intact rat , intragastric administration of d-dihydroxyphenylalanine ( d-dopa ) together with carbidopa ( alpha-methyldopa hydrazine , a peripheral dopadecarboxylase inhibitor ) increased striatal dopamine concentration to the same extent as a similar treatment with l-dopa plus carbidopa .
C0006982
alpha-methyldopa hydrazine
C0353697
with l-dopa