1 08E 1-[(2-aminopyridin-4-yl)methyl]-5-chloro-3-(2-oxo-1,2-dihydropyridin-3-yl)-1h-indole-2-carboxylic acid 1.000 2 053 1-[(2-aminopyridin-4-yl)methyl]-3-(2-oxo-1,2-dihydropyridin-3-yl)-5-(trifluoromethyl)-1h-indole-2-carboxylic acid 0.844 3 058 1-benzyl-5-chloro-3-(2-fluorophenyl)-1h-indole-2-carboxylic acid 0.774 4 HI4 5-ethyl-1-(2-fluoro-5-nitrobenzyl)-3-(2-oxo-1,2-dihydropyridin-3-yl)-1h-indole-2-carboxylic acid 0.714