5-hydroxytryptophan , 3,4-dihydroxyphenylalanine and l-tryptophan were measured in four forebrain regions , the caudate putamen , nucleus accumbens , nucleus septi lateralis , and nucleus amygdaloideus centralis , which contain terminals of 5-hydroxytryptamine and dopamine neurons .
C0000578
5-hydroxytryptophan
C0041249
l-tryptophan