1 8O5 (2~{R},3~{S})-3-[[(2~{S})-3-cyclopropyl-2-[[(~{E})-3-phenylprop-2-enoyl]amino]propanoyl]amino]-2-oxidanyl-4-[(3~{S})-2-oxidanylidenepyrrolidin-3-yl]-~{N}-(phenylmethyl)butanamide 1.000 2 D03 (S)-N-benzyl-3-((S)-2-cinnamamido-3-phenylpropanamido)-2-oxo-4-((S)-2-oxopyrrolidin-3-yl)butanamide 0.884 3 E8E (2~{S})-4-methyl-~{N}-[(2~{S},3~{R})-3-oxidanyl-4-oxidanylidene-1-[(3~{S})-2-oxidanylidenepyrrolidin-3-yl]-4-[(phenylmethyl)amino]butan-2-yl]-2-[[(~{E})-3-phenylprop-2-enoyl]amino]pentanamide 0.857