1 35B 4-bromo-3-(carboxymethoxy)-5-{3-[cyclohexyl(methylcarbamoyl)amino]phenyl}thiophene-2-carboxylic acid 1.000 2 024 4-bromo-3-(carboxymethoxy)-5-[3-(cyclohexylamino)phenyl]thiophene-2-carboxylic acid 0.871 3 410 4-bromo-3-(carboxymethoxy)-5-{3-[cyclohexyl(phenylcarbonyl)amino]phenyl}thiophene-2-carboxylic acid 0.784 4 4B3 4-bromo-3-(carboxymethoxy)-5-{3-[(3,3,5,5-tetramethylcyclohexyl)amino]phenyl}thiophene-2-carboxylic acid 0.771