1-((1S,3R,4R,7S)-1,7-Bis-benzyloxymethyl-2,5-dioxa-bicyclo[2.2.1]hept-3-yl)-1H-pyrimidine-2,4-dione

Toluene-4-sulfonic acid (2S,3S,4R,5R)-2,3-bis-benzyloxymethyl-5-(2,4-dioxo-3,4-dihydro-2H-pyrimidin-1-yl)-4-hydroxy-tetrahydro-furan-2-ylmethyl ester

1-((2R,3R,4S,5R)-4,5-Bis-benzyloxymethyl-3-hydroxy-5-hydroxymethyl-tetrahydro-furan-2-yl)-1H-pyrimidine-2,4-dione