1 X23 (3s,6s,7r,9as)-6-{[(2s)-2-aminobutanoyl]amino}-7-(aminomethyl)-N-(diphenylmethyl)-5-oxooctahydro-1h-pyrrolo[1,2-a]azepine-3-carboxamide 1.000 2 X22 (3s,6s,7s,9as)-6-{[(2s)-2-aminobutanoyl]amino}-N-(diphenylmethyl)-7-(hydroxymethyl)-5-oxooctahydro-1h-pyrrolo[1,2-a]azepine-3-carboxamide 0.946 3 SMK (3s,6s,7r,9as)-6-{[(2s)-2-aminobutanoyl]amino}-7-(2-aminoethyl)-N-(diphenylmethyl)-5-oxooctahydro-1h-pyrrolo[1,2-a]azepine-3-carboxamide 0.921 4 BI6 (3s,6s,7z,10as)-N-(diphenylmethyl)-6-{[(2s)-2-(methylideneamino)butanoyl]amino}-5-oxo-1,2,3,5,6,9,10,10a-octahydropyrrolo[1,2-a]azocine-3-carboxamide 0.800 5 BMB (3s,6s,7r,9as)-7-[2-(benzylamino)ethyl]-N-(diphenylmethyl)-6-{[(2s)-2-(methylamino)butanoyl]amino}-5-oxooctahydro-1h-pyrrolo[1,2-a]azepine-3-carboxamide 0.723