1-[5-[[4-[2-fluoro-3-(trifluoromethyl)phenyl]-1,3-thiazol-2-yl]carbamoyl]-3-methylpyridin-2-yl]piperidine-4-carboxylic acid 1-[5-[[4-[2-fluoro-3-(trifluoromethyl)phenyl]thiazol-2-yl]carbamoyl]-3-methyl-2-pyridyl]piperidine-4-carboxylic acid 1-[5-[[[4-[2-fluoro-3-(trifluoromethyl)phenyl]-2-thiazolyl]amino]-oxomethyl]-3-methyl-2-pyridyl]-4-piperidinecarboxylic acid 1-[5-[[4-[2-fluoro-3-(trifluoromethyl)phenyl]thiazol-2-yl]carbamoyl]-3-methyl-2-pyridyl]isonipecotic acid 1-[5-[[4-[2-fluoro-3-(trifluoromethyl)phenyl]-1,3-thiazol-2-yl]carbamoyl]-3-methyl-pyridin-2-yl]piperidine-4-carboxylic acid