[(2R,3S,4R,5R)-5-(2,4-dioxopyrimidin-1-yl)-3,4-dihydroxyoxolan-2-yl]methyl [oxido-[(2R,3R,4S,5R)-3,4,5-trihydroxyoxan-2-yl]oxyphosphoryl] phosphate [(2R,3S,4R,5R)-5-(2,4-dioxopyrimidin-1-yl)-3,4-dihydroxy-tetrahydrofuran-2-yl]methyl [oxido-[(2R,3R,4S,5R)-3,4,5-trihydroxytetrahydropyran-2-yl]oxy-phosphoryl] phosphate [(2R,3S,4R,5R)-5-(2,4-dioxo-1-pyrimidinyl)-3,4-dihydroxy-2-tetrahydrofuranyl]methyl [oxido-[[(2R,3R,4S,5R)-3,4,5-trihydroxy-2-tetrahydropyranyl]oxy]phosphoryl] phosphate [(2R,3S,4R,5R)-5-(2,4-diketopyrimidin-1-yl)-3,4-dihydroxy-tetrahydrofuran-2-yl]methyl [oxido-[(2R,3R,4S,5R)-3,4,5-trihydroxytetrahydropyran-2-yl]oxy-phosphoryl] phosphate [(2R,3S,4R,5R)-5-(2,4-dioxopyrimidin-1-yl)-3,4-dihydroxy-oxolan-2-yl]methyl [oxido-[(2R,3R,4S,5R)-3,4,5-trihydroxyoxan-2-yl]oxy-phosphoryl] phosphate nchembio.2007.28-comp7 Uridine 5'-(trihydrogen diphosphate), P'-(alpha-D-xylopyranosyl) ester