1 5EC Ethyl (2z,4s)-4-{[N-(3-methylbutanoyl)-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 0.909 3 5EB Ethyl (2z,4s)-4-{[N-(3-cyclopropylpropanoyl)-L-phenylalanyl]amino}-5-[(3s)-2-oxopyrrolidin-3-yl]pent-2-enoate 0.861 4 5GH Ethyl (4s)-5-[(3s)-2-oxopyrrolidin-3-yl]-4-[(3-phenylpropanoyl)amino]pent-2-enoate 0.788 5 YVG D-phenylalanyl-N-{(2r)-5-ethoxy-5-oxo-1-[(3s)-2-oxopyrrolidin-3-yl]pentan-2-yl}-L-phenylalaninamide 0.775 6 5E8 Ethyl (2z,4s)-4-{[(2s)-2-methyl-3-phenylpropanoyl]amino}-5-[(3s)-2-oxopyrrolidin-3-yl]pent-2-enoate 0.765 7 G81 Ethyl (4r)-4-{[N-(tert-butoxycarbonyl)-L-phenylalanyl]amino}-5-[(3s)-2-oxopyrrolidin-3-yl]pentanoate 0.763 8 YV7 D-phenylalanyl-N-{(2r)-5-ethoxy-5-oxo-1-[(3s)-2-oxopyrrolidin-3-yl]pentan-2-yl}-4-fluoro-L-phenylalaninamide 0.756 9 YVJ 4-fluoro-D-phenylalanyl-N-{(2r)-5-ethoxy-5-oxo-1-[(3s)-2-oxopyrrolidin-3-yl]pentan-2-yl}-L-phenylalaninamide 0.756 10 5ED Ethyl (2z,4s)-4-[(N-{[(2-cyclopropylethyl)amino](oxo)acetyl}-L-phenylalanyl)amino]-5-[(3s)-2-oxopyrrolidin-3-yl]pent-2-enoate 0.750 11 5EX Ethyl (2z,4s)-4-[(N-{[(cyclobutylmethyl)amino](oxo)acetyl}-L-phenylalanyl)amino]-5-[(3s)-2-oxopyrrolidin-3-yl]pent-2-enoate 0.750 12 YVD 4-fluoro-D-phenylalanyl-N-{(2r)-5-ethoxy-5-oxo-1-[(3s)-2-oxopyrrolidin-3-yl]pentan-2-yl}-4-fluoro-L-phenylalaninamide 0.738 13 EGF ~{N}-[(2~{S})-1-[[(2~{S},3~{S},6~{S},7~{z},12~{E})-4,9-bis(oxidanylidene)-6-[[(3~{S})-2-oxidanylidenepyrrolidin-3-yl]methyl]-2-phenyl-1,10-dioxa-5-azacyclopentadeca-7,12-dien-3-yl]amino]-3-methyl-1-oxidanylidene-butan-2-yl]-5-methyl-1,2-oxazole-3-carboxamide 0.717 14 G75 Ethyl (4r)-4-({N-[(benzyloxy)carbonyl]-L-phenylalanyl}amino)-5-[(3s)-2-oxopyrrolidin-3-yl]pentanoate 0.707