under those conditions , [ 3h ] 5-ht labelled an apparently homogeneous population of 5-ht1-like sites which display nanomolar affinity for tryptamines ( 5-carboxamido-tryptamine , ( 5-ct ) greater than 5-ht greater than or equal to 5-methoxytryptamine ( 5-meot ) greater than tryptamine ) and some ergolines ( metergoline greater than methysergide ) .
C0036751
5-ht
C0000589
methoxytryptamine