5-amino-N-{4-[(3R,4R,5S)-3-amino-4-hydroxy-5-methylpiperidin-1-yl]-7-hydroxy-6,7-dihydro-5H-cyclopenta[b]pyridin-3-yl}-2-(2,6-difluorophenyl)-1,3-thiazole-4-carboxamide

tert-butyl ((3S)-1-(3-(3-amino-6-(2,6-difluorophenyl)pyrazine-2-carboxamido)-7-hydroxy-6,7-dihydro-5H-cyclopenta[b]pyridin-4-yl)piperidin-3-yl)carbamate

tert-butyl {(3R,4R,5S)-1-[3-({[5-[(tert-butoxycarbonyl)amino]-2-(2,6-difluorophenyl)-1,3-thiazol-4-yl]carbonyl}amino)-7-hydroxy-6,7-dihydro-5H-cyclopenta[b]pyridin-4-yl]-4-hydroxy-5-methylpiperidin-3-yl}carbamate

tert-butyl {(3S)-1-[3-({[6-(2,6-difluorophenyl)-5-fluoropyridin-2-yl]carbonyl}amino)-7-oxo-6,7-dihydro-5H-cyclopenta[b]pyridin-4-yl]piperidin-3-yl}carbamate

N-{4-[(3S)-3-aminopiperidin-1-yl]-7-oxo-6,7-dihydro-5H-cyclopenta[b]pyridin-3-yl}-6-(2,6-difluorophenyl)-5-fluoropyridine-2-carboxamide