(2S)-N-(cyanomethyl)-4-methyl-2-[[(1S)-2,2,2-trifluoro-1-[4-(1H-indol-4-yl)phenyl]ethyl]amino]pentanamide
(2S)-N-(cyanomethyl)-4-methyl-2-[[(1S)-2,2,2-trifluoro-1-[4-(1H-indol-4-yl)phenyl]ethyl]amino]valeramide