1 2VF (2r)-9-(2-amino-2-oxoethyl)-6-chloro-2,3,4,9-tetrahydro-1h-carbazole-2-carboxylic acid 1.000 2 2VG (2r)-6-chloro-2,3,4,9-tetrahydro-1h-carbazole-2-carboxylic acid 0.810 3 2J1 6-chloro-2,3,4,9-tetrahydro-1h-carbazole-7-carboxylic acid 0.727 4 EH1 4-cyclohexylbenzoic acid 0.714 5 Z7Z Biphenyl-4-carboxylic acid 0.714 6 53X 3-(1-ethyl-1h-indol-3-yl)-1-methyl-1h-pyrazole-5-carboxylic acid 0.708 7 2VE (2r)-6-bromo-9-{2-[(carboxymethyl)amino]-2-oxoethyl}-2,3,4,9-tetrahydro-1h-carbazole-2-carboxylic acid 0.704