1 5EB Ethyl (2z,4s)-4-{[N-(3-cyclopropylpropanoyl)-L-phenylalanyl]amino}-5-[(3s)-2-oxopyrrolidin-3-yl]pent-2-enoate 1.000 2 5F2 Ethyl (2z,4s)-4-[(N-acetyl-L-phenylalanyl)amino]-5-[(3s)-2-oxopyrrolidin-3-yl]pent-2-enoate 0.882 3 5EC Ethyl (2z,4s)-4-{[N-(3-methylbutanoyl)-L-phenylalanyl]amino}-5-[(3s)-2-oxopyrrolidin-3-yl]pent-2-enoate 0.861 4 YVG D-phenylalanyl-N-{(2r)-5-ethoxy-5-oxo-1-[(3s)-2-oxopyrrolidin-3-yl]pentan-2-yl}-L-phenylalaninamide 0.846 5 YV7 D-phenylalanyl-N-{(2r)-5-ethoxy-5-oxo-1-[(3s)-2-oxopyrrolidin-3-yl]pentan-2-yl}-4-fluoro-L-phenylalaninamide 0.825 6 YVJ 4-fluoro-D-phenylalanyl-N-{(2r)-5-ethoxy-5-oxo-1-[(3s)-2-oxopyrrolidin-3-yl]pentan-2-yl}-L-phenylalaninamide 0.825 7 YVD 4-fluoro-D-phenylalanyl-N-{(2r)-5-ethoxy-5-oxo-1-[(3s)-2-oxopyrrolidin-3-yl]pentan-2-yl}-4-fluoro-L-phenylalaninamide 0.805 8 5GH Ethyl (4s)-5-[(3s)-2-oxopyrrolidin-3-yl]-4-[(3-phenylpropanoyl)amino]pent-2-enoate 0.765 9 G81 Ethyl (4r)-4-{[N-(tert-butoxycarbonyl)-L-phenylalanyl]amino}-5-[(3s)-2-oxopyrrolidin-3-yl]pentanoate 0.744 10 5E8 Ethyl (2z,4s)-4-{[(2s)-2-methyl-3-phenylpropanoyl]amino}-5-[(3s)-2-oxopyrrolidin-3-yl]pent-2-enoate 0.743 11 5ED Ethyl (2z,4s)-4-[(N-{[(2-cyclopropylethyl)amino](oxo)acetyl}-L-phenylalanyl)amino]-5-[(3s)-2-oxopyrrolidin-3-yl]pent-2-enoate 0.732 12 5EX Ethyl (2z,4s)-4-[(N-{[(cyclobutylmethyl)amino](oxo)acetyl}-L-phenylalanyl)amino]-5-[(3s)-2-oxopyrrolidin-3-yl]pent-2-enoate 0.732 13 YVA Ethyl (4r)-4-({3-cyclopropyl-N-[(2e)-3-(4-ethynylphenyl)prop-2-enoyl]-L-alanyl}amino)-5-[(3s)-2-oxopyrrolidin-3-yl]pentanoate 0.707 14 YVV N-{3-[(prop-2-yn-1-yl)oxy]propanoyl}-D-phenylalanyl-N-{(2r)-5-ethoxy-5-oxo-1-[(3s)-2-oxopyrrolidin-3-yl]pentan-2-yl}-L-phenylalaninamide 0.702