N-[(3R,6S)-6-(2,3-difluorophenyl)-2-oxo-1-(2,2,2-trifluoroethyl)azepan-3-yl]-4-(2-oxo-3H-imidazo[4,5-b]pyridin-1-yl)piperidine-1-carboxamide N-[(3R,6S)-6-(2,3-difluorophenyl)-2-oxo-1-(2,2,2-trifluoroethyl)-3-azepanyl]-4-(2-oxo-3H-imidazo[4,5-b]pyridin-1-yl)-1-piperidinecarboxamide N-[(3R,6S)-6-(2,3-difluorophenyl)-2-keto-1-(2,2,2-trifluoroethyl)azepan-3-yl]-4-(2-keto-3H-imidazo[4,5-b]pyridin-1-yl)piperidine-1-carboxamide