1 C4L N-butanoyl-L-homoserine 1.000 2 C6L N-hexanoyl-L-homoserine 0.867 3 ZJU N-succinyl-aspartic acid 0.812 4 5XW (2~{z})-2-(1-oxidanyl-3-oxidanylidene-propyl)iminobutanedioic acid 0.800 5 KKD N-acetyl-L-aspartic acid 0.786 6 GZJ (2s)-2-(acetylamino)butanoic acid 0.769 7 K6V N-[(2s)-1-hydroxypropan-2-yl]butanamide 0.769 8 A1AI3 N-octanoyl-L-homoserine 0.765 9 5XR 2-hydroxy-N-[(1s)-1-hydroxy-3-oxopropyl]-L-aspartic acid 0.750 10 CYK N-hexanoyl-L-homocysteine 0.750 11 SN0 N-(3-carboxypropanoyl)-L-norvaline 0.750 12 X5P 4-oxidanylidene-4-[[(2~{S})-1-oxidanyl-1-oxidanylidene-propan-2-yl]amino]butanoic acid 0.733 13 AN0 N-acetyl-L-norvaline 0.714 14 C5S N-formyl-D-aspartic acid 0.714 15 I38 N-(3-mercaptopropanoyl)-D-alanine 0.714 16 P4B (2~{R})-4-azanyl-2-[[(1~{S})-1-oxidanylethyl]amino]butanoic acid 0.714 17 THC N-methylcarbonylthreonine 0.714 18 SMG N-succinyl methionine 0.706 19 SUO N~2~-(3-carboxypropanoyl)-L-ornithine 0.706