an increase in [ 3h ] da release was elicited by addition of 5-ht agonists ( 5-methoxytryptamine , 5-methoxy-n , n-dimethyltryptamine , and tryptamine ) , but not antagonized by three 5-ht antagonists ( metergolin , methysergide , and spiperone ) .
C0027183
dimethyltryptamine
C0041248
tryptamine