1 2DX (3s,8ar)-2-[(2s)-2-cyclohexyl-2-{[(2s)-2-(methylamino)butanoyl]amino}acetyl]-N-[(4r)-3,4-dihydro-2h-chromen-4-yl]octahydropyrrolo[1,2-a]pyrazine-3-carboxamide 1.000 2 1YH (3s,8ar)-N-((R)-chroman-4-yl)-2-((S)-2-cyclohexyl-2-((S)-2-(methylamino)propanamido)acetyl)octahydropyrrolo[1,2-a]pyrazine-3-carboxamide 0.974 3 1Y0 (4s,6ar,7as)-5-{(2s)-2-cyclohexyl-2-[(N-methyl-L-alanyl)amino]acetyl}-N-[(4r)-3,4-dihydro-2h-chromen-4-yl]octahydro-1h-cyclopropa[4,5]pyrrolo[1,2-a]pyrazine-4-carboxamide 0.950 4 1BG (3s,8ar)-2-{(2s)-2-cyclohexyl-2-[(N-methyl-L-alanyl)amino]acetyl}-N-[(1r)-1,2,3,4-tetrahydronaphthalen-1-yl]octahydropyrrolo[1,2-a]pyrazine-3-carboxamide 0.925 5 2DY (3s,10as)-2-[(2s)-2-cyclohexyl-2-{[(2s)-2-(methylamino)butanoyl]amino}acetyl]-N-[(4r)-3,4-dihydro-2h-chromen-4-yl]-1,2,3,4,10,10a-hexahydropyrazino[1,2-a]indole-3-carboxamide 0.907 6 1AQ (3s,7r,8ar)-2-{(2s)-2-(4,4-difluorocyclohexyl)-2-[(N-methyl-L-alanyl)amino]acetyl}-N-[(4r)-3,4-dihydro-2h-chromen-4-yl]-7-ethoxyoctahydropyrrolo[1,2-a]pyrazine-3-carboxamide 0.864