thiouridine uridine 5'-phosphate uridines 2-thiouridine 5'-phosphate 1-(5-O-phosphono-beta-D-ribofuranosyl)-2-thioxo-2,3-dihydropyrimidin-4(1H)-one 1-(BETA-D-RIBOFURANOSYL)-2-THIO-URACIL-5'-PHOSPHATE 340.013 340.24796 C9H13N2O8PS CHEBI:45805 InChI=1S/C9H13N2O8PS/c12-5-1-2-11(9(21)10-5)8-7(14)6(13)4(19-8)3-18-20(15,16)17/h1-2,4,6-8,13-14H,3H2,(H,10,12,21)(H2,15,16,17)/t4-,6-,7-,8-/m1/s1 OEUXFECIJDETRF-XVFCMESISA-N PDBeChem:SUR [H]O[C@@]1([H])[C@@]([H])(O[C@]([H])(C([H])([H])OP(=O)(O[H])O[H])[C@@]1([H])O[H])n1c([H])c([H])c(=O)n([H])c1=S chebi_ontology