Download PDF Opens in a new window. Article suggestions will be shown in a dialog on return to ScienceDirect. ... Please enable JavaScript to use all the features on this page. ... 1-(2-Aminoethyl)-3-(arylsulfonyl)-1H-pyrrolopyridines were prepared. Binding assays indicated they are 5-HT 6 receptor ligands, among which 6f and 6g showed high affinity for 5-HT 6 receptors with K i = 3.9 and 1.7 nM, respectively. ... Pyrrolopyridines 4, 5, and 6 have been ...