(1S,3aR,6aS)-N-[(2S)-2-({(2S)-2-Cyclohexyl-2-[(2-pyrazinylcarbonyl)amino]acetyl}amino)-3,3-dimethylbutanoyl]-N-[(3S)-1-(cyclopropylamino)-1,2-dioxo-3-hexanyl]octahydrocyclopenta[c]pyrrole-1-carboxamid e

(1S,3aR,6aS)-N-[(2S)-2-({(2S)-2-Cyclohexyl-2-[(2-pyrazinylcarbonyl)amino]acetyl}amino)-3,3-dimethylbutanoyl]-N-[(3S)-1-(cyclopropylamino)-1,2-dioxo-3-hexanyl]octahydrocyclopenta[c]pyrrol-1-carboxamid

(1S,3aR,6aS)-N-[(2S)-2-({(2S)-2-Cyclohexyl-2-[(2-pyrazinylcarbonyl)amino]acetyl}amino)-3,3-dimethylbutanoyl]-N-[(3S)-1-(cyclopropylamino)-1,2-dioxo-3-hexanyl]octahydrocyclopenta[c]pyrrole-1-carboxamid e

(1S,3aR,6aS)-N-[(2S)-2-({(2S)-2-Cyclohexyl-2-[(2-pyrazinylcarbonyl)amino]acétyl}amino)-3,3-diméthylbutanoyl]-N-[(3S)-1-(cyclopropylamino)-1,2-dioxo-3-hexanyl]octahydrocyclopenta[c]pyrrole-1-carboxamid e

Cyclopenta[c]pyrrole-1-carboxamide, N-[(2S)-2-[[(2S)-2-cyclohexyl-2-[(2-pyrazinylcarbonyl)amino]acetyl]amino]-3,3-dimethyl-1-oxobutyl]-N-[(1S)-1-[2-(cyclopropylamino)-1,2-dioxoethyl]butyl]octahydro-, (1S,3aR,6aS)-

(1S,3aR,6aS)-(2S)- 2-Cyclohexyl -N-(pyrazinylcarbonyl)glycyl -3-methyl-L-valyl-N-((1S)-1-((cyclopropylamino)oxoacetyl)butyl)octahydrocyclopenta[c]pyrrole-1-carboxamide

(1S,3aR,6aS)-N-((S)-2-((S)-2-cyclohexyl-2-(pyrazine-2-carboxamido)acetamido)-3,3-dimethylbutanoyl)-N-((S)-1-(cyclopropylamino)-1,2-dioxohexan-3-yl)octahydrocyclopenta[c]pyrrole-1-carboxamide