3-[1-(4-chlorobenzoyl)-5-methoxy-2-methylindol-3-yl]propanoic acid 3-[1-(4-chlorobenzoyl)-5-methoxy-2-methyl-indol-3-yl]propanoic acid 3-[1-[(4-chlorophenyl)-oxomethyl]-5-methoxy-2-methyl-3-indolyl]propanoic acid 3-[1-(4-chlorobenzoyl)-5-methoxy-2-methyl-indol-3-yl]propionic acid 3-[1-(4-chlorophenyl)carbonyl-5-methoxy-2-methyl-indol-3-yl]propanoic acid