all the tryptamine derivatives substituted in position 5 of the indol were potent agonists [ 5-ht , 5-ct , 5-meo-n , n-dmt , 5-methoxytryptamine , and bufotenine ] , whereas tryptamine , n-methyltryptamine , and n , n-dimethyltryptamine were poor agonists .
C0041248
tryptamine
C0027183
dimethyltryptamine