1 53X 3-(1-ethyl-1h-indol-3-yl)-1-methyl-1h-pyrazole-5-carboxylic acid 1.000 2 4ZF (5e)-5-(3h-indol-3-ylidene)-2,5-dihydro-1h-pyrazole-3-carboxylic acid 0.850 3 U7C 5-(1~{H}-indol-3-yl)-1,2-oxazole-3-carboxylic acid 0.762 4 U7L 4-(hydroxymethyl)-5-(1-methylindol-3-yl)-1,2-oxazole-3-carboxylic acid 0.739 5 2VF (2r)-9-(2-amino-2-oxoethyl)-6-chloro-2,3,4,9-tetrahydro-1h-carbazole-2-carboxylic acid 0.708