1-(β-D-Ribofuranosyl)-5-hydroxypyrimidine-2,4(1H,3H)-dione | 1-[(2R,3R,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]-5-hydroxypyrimidine-2,4-dione |
1-[(2R,3R,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]-5-hydroxy-pyrimidine-2,4-dione | 1-[(2R,3R,4S,5R)-3,4-dihydroxy-5-methylol-tetrahydrofuran-2-yl]-5-hydroxy-pyrimidine-2,4-quinone |