1 U20 Uridine-5'-diphosphate-3-O-(R-3-hydroxymyristoyl)-N-acetyl-D-glucosamine 1.000 2 U21 Uridine-5'-diphosphate-3-O-(R-3-hydroxydecanoyl)-N-acetyl-D-glucosamine 0.927 3 24G Uridine-5'-diphosphate-3-O-(R-3-hydroxymyristoyl)-glucosamine 0.911 4 UDG (2r,3r,4r,5s,6r)-2-{[(S)-{[(S)-{[(2r,3s,4r,5r)-5-(2,4-dioxo-3,4-dihydropyrimidin-1(2h)-yl)-3,4-dihydroxytetrahydrofuran-2-yl]methoxy}(hydroxy)phosphoryl]oxy}(hydroxy)phosphoryl]oxy}-5-hydroxy-6-(hydroxymethyl)-3-{[(3r)-3-hydroxytetradecanoyl]amino}tetrahydro-2h-pyran-4-yl (3r)-3-hydroxytetradecanoate 0.809 5 EEB Uridine-diphosphate-3(N-acetylglucosaminyl)butyric acid 0.724 6 EPU Uridine-diphosphate-2(N-acetylglucosaminyl) butyric acid 0.707 7 EPZ (2r)-2-{[(2r,3r,4r,5s,6r)-3-(acetylamino)-2-{[(S)-{[(R)-{[(2r,3s,4r,5r)-5-(2,4-dioxo-3,4-dihydropyrimidin-1(2h)-yl)-3,4-dihydroxytetrahydrofuran-2-yl]methoxy}(hydroxy)phosphoryl]oxy}(hydroxy)phosphoryl]oxy}-5-hydroxy-6-(hydroxymethyl)tetrahydro-2h-pyran-4-yl]oxy}propanoic acid 0.707 8 UPN 2-{[(2r,3r,4r,5r,6r)-3-(acetylamino)-2-{[(S)-{[(R)-{[(2r,3s,4r,5r)-5-(2,4-dioxo-3,4-dihydropyrimidin-1(2h)-yl)-3,4-dihydroxytetrahydrofuran-2-yl]methoxy}(hydroxy)phosphoryl]oxy}(hydroxy)phosphoryl]oxy}-5-hydroxy-6-(hydroxymethyl)tetrahydro-2h-pyran-4-yl]oxy}prop-2-enoic acid 0.707