under these conditions , [ 3h ] 5-ht labelled a population of `` '' 5-ht1-like '' '' sites which display nanomolar affinity for tryptamines ( 5-carboxamidotryptamine greater than 5-ht greater than or equal to 5-methoxytryptamine greater than tryptamine ) and some ergolines ( metergoline greater than methysergide ) .
C0014699
e ergolin
C0025641
( metergoli