A compound, selected from the group consisting of N -(3-(5-(Benzo[ d][1,3]dioxol-5-yl)-1H-pyrrolo[2,3-b]pyridine-3-carbonyl)-2,4-difluorophenyl)propane-1-sulfonamide; N -(2,4-Difluoro-3-(5-(4-fluoro-2-methylphenyl)-1 H -pyrrolo[2,3- b]pyridine-3-carbonyl)phenyl)propane-1-sulfonamide; N -(3-(5-(2,3-dihydrobenzo[ b][1,4]dioxin-6-yl)-1 H -pyrrolo[2,3-b]pyridine-3-carbonyl)-2-fluorophenyl)methanesulfonamide; N -(2-fluoro-3-(5-(4-fluoro-2-methylphenyl)-1 H -pyrrolo[2,3- b]pyridine-3-carbonyl)phenyl)methanesulfonamide; N -(3-(5-(2-chloro-4-methoxyphenyl)-1 H -pyrrolo[2,3- b]pyridine-3-carbonyl)-2,4-difluorophenyl)propane-1-sulfonamide; N-(3-(5-(7-chloro-2,3-dihydrobenzo[b][1,4]dioxin-6-yl)-1H-pyrrolo[2,3-b]pyridine-3-carbonyl)-2,4-difluorophenyl)propane-1-sulfonamide; N -(2-fluoro-4-methyl-3-(5-(pyridin-3-yl)-1H-pyrrolo[2,3- b]pyridine-3-carbonyl)phenyl)propane-1-sulfonamide; N-(2,4-difluoro-3-(5-(4-fluoro-2-methylphenyl)-1 H-pyrrolo[2,3-b]pyridine-3-carbonyl)phenyl)butane-1-sulfonamide; N-(3-(5-(2-chloro-4-methoxyphenyl)-1H-pyrrolo[2,3-b]pyridine-3-carbonyl)-2-fluoro-4-hydroxyphenyl)butane-1-sulfonamide; N-(3-(5-(4-chlorophenyl)-1H-pyrrolo[2,3-b]pyridine-3-carbonyl)-2,4-difluorophenyl)benzylsulfonamide; N-(3-(5-(2-chloro-4-hydroxy-phenyl)-1H-pyrrolo[2,3-b]pyridine-3-carbonyl)-2,4-difluorophenyl)propane-1-sulfonamide; N -(3-(5-(2-chloro-4-methoxyphenyl)-1 H -pyrrolo[2,3- b]pyridine-3-carbonyl)-2-fluorophenyl)methane-1-sulfonamide; N-(3-(5-(5-chloro-benzo[d][1,3]dioxol-6-yl)-1H-pyrrolo[2,3-b]pyridine-3-carbonyl)-2-fluorophenyl)methane-1-sulfonamide; N -(2-fluoro-3-(5-(4-fluoro-2-methylphenyl)-1 H -pyrrolo[2,3- b]pyridine-3-carbonyl)phenyl)butanesulfonamide; N -(2-fluoro-3-(5-(2-chloro-4-methoxyphenyl)-1 H -pyrrolo[2,3- b]pyridine-3-carbonyl)phenyl)butanesulfonamide; N-(3-(5-(benzo[d][1,3]dioxol-5-yl)-1H-pyrrolo[2,3-b]pyridine-3-carbonyl)-2-fluorophenyl)butane-1-sulfonamide; N-(3-(5-(2,3-dihydrobenzo[d][1,3]dioxin-6-yl)-1H-pyrrolo[2,3-b]pyridine-3-carbonyl)-2-fluorophenyl)butane-1-sulfonamide; N-(3-(5-(5-chloro-benzo[d][1,3]dioxol-6-yl)-1H-pyrrolo[2,3-b]pyridine-3-carbonyl)-2-fluorophenyl)butane-1-sulfonamide; N-(3-(5-(7-chloro-2,3-dihydrobenzo[b][1,4]dioxin-6-yl)-1H-pyrrolo[2,3-b]pyridine-3-carbonyl)-2-fluorophenyl)propane-1-sulfonamide; N-(3-(5-(2-chloro-4-(methoxymethoxy)phenyl)-1H-pyrrolo[2,3-b]pyridine-3-carbonyl)-2,4-difluorophenyl)propane-1-sulfonamide; and N-(2,4-difluoro-3-(5-(pyridin-4-yl)-1H-pyrrolo[2,3-b]pyridine-3-carbonyl)phenyl)propane-1-sulfonamide; and the pharmaceutically acceptable salts, solvates and optical isomers thereof. N -(3-(5-(Benzo[ d][1,3]dioxol-5-yl)-1H-pyrrolo[2,3-b]pyridine-3-carbonyl)-2,4-difluorophenyl)propane-1-sulfonamide; N -(2,4-Difluoro-3-(5-(4-fluoro-2-methylphenyl)-1 H -pyrrolo[2,3- b]pyridine-3-carbonyl)phenyl)propane-1-sulfonamide; N -(3-(5-(2,3-dihydrobenzo[ b][1,4]dioxin-6-yl)-1 H -pyrrolo[2,3-b]pyridine-3-carbonyl)-2-fluorophenyl)methanesulfonamide; N -(2-fluoro-3-(5-(4-fluoro-2-methylphenyl)-1 H -pyrrolo[2,3- b]pyridine-3-carbonyl)phenyl)methanesulfonamide; N -(3-(5-(2-chloro-4-methoxyphenyl)-1 H -pyrrolo[2,3- b]pyridine-3-carbonyl)-2,4-difluorophenyl)propane-1-sulfonamide; N-(3-(5-(7-chloro-2,3-dihydrobenzo[b][1,4]dioxin-6-yl)-1H-pyrrolo[2,3-b]pyridine-3-carbonyl)-2,4-difluorophenyl)propane-1-sulfonamide; N -(2-fluoro-4-methyl-3-(5-(pyridin-3-yl)-1H-pyrrolo[2,3- b]pyridine-3-carbonyl)phenyl)propane-1-sulfonamide; N-(2,4-difluoro-3-(5-(4-fluoro-2-methylphenyl)-1 H-pyrrolo[2,3-b]pyridine-3-carbonyl)phenyl)butane-1-sulfonamide; N-(3-(5-(2-chloro-4-methoxyphenyl)-1H-pyrrolo[2,3-b]pyridine-3-carbonyl)-2-fluoro-4-hydroxyphenyl)butane-1-sulfonamide; N-(3-(5-(4-chlorophenyl)-1H-pyrrolo[2,3-b]pyridine-3-carbonyl)-2,4-difluorophenyl)benzylsulfonamide; N-(3-(5-(2-chloro-4-hydroxy-phenyl)-1H-pyrrolo[2,3-b]pyridine-3-carbonyl)-2,4-difluorophenyl)propane-1-sulfonamide; N -(3-(5-(2-chloro-4-methoxyphenyl)-1 H -pyrrolo[2,3- b]pyridine-3-carbonyl)-2-fluorophenyl)methane-1-sulfonamide; N-(3-(5-(5-chloro-benzo[d][1,3]dioxol-6-yl)-1H-pyrrolo[2,3-b]pyridine-3-carbonyl)-2-fluorophenyl)methane-1-sulfonamide; N -(2-fluoro-3-(5-(4-fluoro-2-methylphenyl)-1 H -pyrrolo[2,3- b]pyridine-3-carbonyl)phenyl)butanesulfonamide; N -(2-fluoro-3-(5-(2-chloro-4-methoxyphenyl)-1 H -pyrrolo[2,3- b]pyridine-3-carbonyl)phenyl)butanesulfonamide; N-(3-(5-(benzo[d][1,3]dioxol-5-yl)-1H-pyrrolo[2,3-b]pyridine-3-carbonyl)-2-fluorophenyl)butane-1-sulfonamide; N-(3-(5-(2,3-dihydrobenzo[d][1,3]dioxin-6-yl)-1H-pyrrolo[2,3-b]pyridine-3-carbonyl)-2-fluorophenyl)butane-1-sulfonamide; N-(3-(5-(5-chloro-benzo[d][1,3]dioxol-6-yl)-1H-pyrrolo[2,3-b]pyridine-3-carbonyl)-2-fluorophenyl)butane-1-sulfonamide; N-(3-(5-(7-chloro-2,3-dihydrobenzo[b][1,4]dioxin-6-yl)-1H-pyrrolo[2,3-b]pyridine-3-carbonyl)-2-fluorophenyl)propane-1-sulfonamide; N-(3-(5-(2-chloro-4-(methoxymethoxy)phenyl)-1H-pyrrolo[2,3-b]pyridine-3-carbonyl)-2,4-difluorophenyl)propane-1-sulfonamide; and N-(2,4-difluoro-3-(5-(pyridin-4-yl)-1H-pyrrolo[2,3-b]pyridine-3-carbonyl)phenyl)propane-1-sulfonamide; and the pharmaceutically acceptable salts, solvates and optical isomers thereof.