A compound selected from: (6 S)- N -[(5 S,6 S, 9 R)-5-Amino-6-(2,3-difluorophenyl)-6,7,8,9-tetrahydro-5 H- cyclohepta[ b]pyridin-9-yl]-2'-oxo-1',2',5,7-tetrahydrospiro[cyclopenta[ b]pyridine-6,3'-pyrrolo[2,3- b]pyridine]-3-carboxamide; (6 S)- N- [(5 S,6 S,9 S)-5-Amino-6-(2,3-difluorophenyl)-6,7,8,9-tetrahydro-5 H -cyclohepta[ b]pyridin-9-yl]-2'-oxo-1',2',5,7-tetrahydrospiro[cyclopenta[ b]pyridine-6,3'-pyrrolo[2,3- b]pyridine]-3-carboxamide; (6 S)- N- [(5 R,6 S,9 R)-5-Amino-6-(2,3-difluorophenyl)-6,7,8,9-tetrahydro-5 H- cyclohepta[ b]pyridin-9-yl]-2'-oxo-1',2',5,7-tetrahydrospiro[cyclopenta[ b]pyridine-6,3'-pyrrolo[2,3- b]pyridine]-3-carboxamide; (6 S)- N- [(5 R,6 S,9 S)-5-Amino-6-(2,3-difluorophenyl)-6,7,8,9-tetrahydro-5 H- cyclohepta[ b]pyridin-9-yl]-2'-oxo-1',2',5,7-tetrahydrospiro[cyclopenta[ b]pyridine-6,3'-pyrrolo[2,3- b]pyridine]-3-carboxamide; (6 S)-2'-Oxo- N -(6-phenyl-5,6,7,8-tetrahydroquinolin-8-yl)-1',2',5,7-tetrahydrospiro[cyclopenta[ b]pyridine-6,3'-pyrrolo[2,3- b]pyridine]-3-carboxamide; - N -((6 S,9 S)-6-(2,3-Difluorophenyl)-6,7,8,9-tetrahydro-5 H- cyclohepta[ b]pyridin-9-yl)-2'-oxo-1',2',5,7-tetrahydrospiro[cyclopenta[ b]pyridine-6,3'-pyrrolo[2,3- b]pyridine]-3-carboxamide; - N -((6 R,9 R)-6-(2,3-difluorophenyl)-6,7,8,9-tetrahydro-5 H- cyclohepta[ b]pyridin-9-yl)-2'-oxo-1',2',5,7-tetrahydrospiro[cyclopenta[ b]pyridine-6,3'-pyrrolo[2,3- b]pyridine]-3-carboxamide; -N-((5 R,6 S,9 R)-6-(2,3-Difluorophenyl)-5-fluoro-6,7,8,9-tetrahydro-5 H- cyclohepta[ b]pyridin-9-yl)-2'-oxo-1',2',5,7-tetrahydrospiro[cyclopenta[ b]pyridine-6,3'-pyrrolo[2,3- b]pyridine]-3-carboxamide; -N-((5 S,6 R,9 S)-6-(2,3-difluorophenyl)-5-fluoro-6,7,8,9-tetrahydro-5 H- cyclohepta[ b]pyridin-9-yl)-2'-oxo-1',2',5,7-tetrahydrospiro[cyclopenta[ b]pyridine-6,3'-pyrrolo[2,3- b]pyridine]-3-carboxamide; (3' S)-2'-Oxo- N -(6-phenyl-5,6,8,9-tetrahydrooxepino[4,5- b]pyridin-9-yl)-1',2',5,7-tetrahydrospiro[cyclopenta[b]pyridine-6,3'-pyrrolo[2,3-b]pyridine]-3-carboxamide; or a pharmaceutically acceptable salt thereof. (6 S)- N -[(5 S,6 S, 9 R)-5-Amino-6-(2,3-difluorophenyl)-6,7,8,9-tetrahydro-5 H- cyclohepta[ b]pyridin-9-yl]-2'-oxo-1',2',5,7-tetrahydrospiro[cyclopenta[ b]pyridine-6,3'-pyrrolo[2,3- b]pyridine]-3-carboxamide; (6 S)- N- [(5 S,6 S,9 S)-5-Amino-6-(2,3-difluorophenyl)-6,7,8,9-tetrahydro-5 H -cyclohepta[ b]pyridin-9-yl]-2'-oxo-1',2',5,7-tetrahydrospiro[cyclopenta[ b]pyridine-6,3'-pyrrolo[2,3- b]pyridine]-3-carboxamide; (6 S)- N- [(5 R,6 S,9 R)-5-Amino-6-(2,3-difluorophenyl)-6,7,8,9-tetrahydro-5 H- cyclohepta[ b]pyridin-9-yl]-2'-oxo-1',2',5,7-tetrahydrospiro[cyclopenta[ b]pyridine-6,3'-pyrrolo[2,3- b]pyridine]-3-carboxamide; (6 S)- N- [(5 R,6 S,9 S)-5-Amino-6-(2,3-difluorophenyl)-6,7,8,9-tetrahydro-5 H- cyclohepta[ b]pyridin-9-yl]-2'-oxo-1',2',5,7-tetrahydrospiro[cyclopenta[ b]pyridine-6,3'-pyrrolo[2,3- b]pyridine]-3-carboxamide; (6 S)-2'-Oxo- N -(6-phenyl-5,6,7,8-tetrahydroquinolin-8-yl)-1',2',5,7-tetrahydrospiro[cyclopenta[ b]pyridine-6,3'-pyrrolo[2,3- b]pyridine]-3-carboxamide; - N -((6 S,9 S)-6-(2,3-Difluorophenyl)-6,7,8,9-tetrahydro-5 H- cyclohepta[ b]pyridin-9-yl)-2'-oxo-1',2',5,7-tetrahydrospiro[cyclopenta[ b]pyridine-6,3'-pyrrolo[2,3- b]pyridine]-3-carboxamide; - N -((6 R,9 R)-6-(2,3-difluorophenyl)-6,7,8,9-tetrahydro-5 H- cyclohepta[ b]pyridin-9-yl)-2'-oxo-1',2',5,7-tetrahydrospiro[cyclopenta[ b]pyridine-6,3'-pyrrolo[2,3- b]pyridine]-3-carboxamide; -N-((5 R,6 S,9 R)-6-(2,3-Difluorophenyl)-5-fluoro-6,7,8,9-tetrahydro-5 H- cyclohepta[ b]pyridin-9-yl)-2'-oxo-1',2',5,7-tetrahydrospiro[cyclopenta[ b]pyridine-6,3'-pyrrolo[2,3- b]pyridine]-3-carboxamide; -N-((5 S,6 R,9 S)-6-(2,3-difluorophenyl)-5-fluoro-6,7,8,9-tetrahydro-5 H- cyclohepta[ b]pyridin-9-yl)-2'-oxo-1',2',5,7-tetrahydrospiro[cyclopenta[ b]pyridine-6,3'-pyrrolo[2,3- b]pyridine]-3-carboxamide; (3' S)-2'-Oxo- N -(6-phenyl-5,6,8,9-tetrahydrooxepino[4,5- b]pyridin-9-yl)-1',2',5,7-tetrahydrospiro[cyclopenta[b]pyridine-6,3'-pyrrolo[2,3-b]pyridine]-3-carboxamide;