the displacement studies with various compounds indicated that only a few 5-ht agonists ( 5-methoxytryptamine and tryptamine ) and neurotransmitters ( da and ach ) inhibited the [ 3h ] 5-ht binding to this fraction , but 5-ht antagonists , lsd analogues and neuroleptics had no effect .
C0000589
5-methoxytryptamine
C0036751
5-ht