1	3UA	(2r,5s)-5-[(1r)-1,2-dihydroxyethyl]-3,3,4,4-tetrafluorotetrahydrofuran-2-yl [(2r,3s,4r,5r)-5-(2,4-dioxo-3,4-dihydropyrimidin-1(2h)-yl)-3,4-dihydroxytetrahydrofuran-2-yl]methyl dihydrogen diphosphate (non-preferred name)	1.000
2	3UC	[(2r,3s,4r,5r)-5-(2,4-dioxo-3,4-dihydropyrimidin-1(2h)-yl)-3,4-dihydroxytetrahydrofuran-2-yl]methyl (2r,5s,6r)-3,3,4,4-tetrafluoro-5-hydroxy-6-(hydroxymethyl)tetrahydro-2h-pyran-2-yl dihydrogen diphosphate (non-preferred name)	0.767
3	U2F	Uridine-5'-diphosphate-2-deoxy-2-fluoro-alpha-D-glucose	0.762
4	UFG	Uridine-5'-diphosphate-4-deoxy-4-fluoro-alpha-D-galactose	0.762
5	UPF	Uridine-5'-diphosphate-2-deoxy-2-fluorogalactose	0.762
6	UGF	(2~{R},3~{S},4~{R},5~{R},6~{R})-6-[[[(2~{R},3~{S},4~{R},5~{R})-5-[2,4-bis(oxidanylidene)pyrimidin-1-yl]-3,4-bis(oxidany L)oxolan-2-yl]methoxy-oxidanyl-phosphoryl]oxy-oxidanyl-phosphoryl]oxy-3-fluoranyl-4,5-bis(oxidanyl)oxane-2-carboxylic acid	0.744
7	UPP	Phenyl-uridine-5'-diphosphate	0.725
8	GDU	Galactose-uridine-5'-diphosphate	0.721
9	UFM	Uridine-5'-diphosphate-mannose	0.721
10	UPG	Uridine-5'-diphosphate-glucose	0.721
11	UGA	Uridine-5'-diphosphate-glucuronic acid	0.705
12	UGB	(2s,3r,4s,5r,6r)-6-[[[(2r,3s,4r,5r)-5-(2,4-dioxopyrimidin-1-yl)-3,4-dihydroxy-oxolan-2-yl]methoxy-hydroxy-phosphoryl]oxy-hydroxy-phosphoryl]oxy-3,4,5-trihydroxy-oxane-2-carboxylic acid	0.705