1 NSK N-succinyl lysine 1.000 2 SN0 N-(3-carboxypropanoyl)-L-norvaline 0.882 3 SUO N~2~-(3-carboxypropanoyl)-L-ornithine 0.833 4 FWO (2s)-2-[[(3s)-3-azanyl-4-oxidanyl-4-oxidanylidene-butanoyl]amino]-4-methyl-pentanoic acid 0.789 5 ZKO N-succinyl-glutamine 0.789 6 I3U 4-[(5-aminopentyl)(hydroxy)amino]-4-oxobutanoic acid 0.778 7 X5P 4-oxidanylidene-4-[[(2~{S})-1-oxidanyl-1-oxidanylidene-propan-2-yl]amino]butanoic acid 0.765 8 SMG N-succinyl methionine 0.737 9 ZJU N-succinyl-aspartic acid 0.737 10 A1CRT (4s)-4-{[(1r)-1-carboxy-2-sulfanylethyl]amino}-4-hydroxybutanoic acid 0.722 11 A1BIH N~2~-octanoyl-L-lysine 0.714 12 SUG N~2~-(3-carboxypropanoyl)-L-arginine 0.714 13 3O3 N-[(3s)-3-amino-3-carboxypropyl]-L-glutamic acid 0.700 14 A1BWS (3s)-4-{[(2s)-1-amino-4-methyl-1-oxopentan-2-yl]amino}-3-hydroxy-4-oxobutanoic acid 0.700 15 SLL (2s)-2-azanyl-6-[(4-hydroxy-4-oxo-butanoyl)amino]hexanoic acid 0.700