Acetic acid 4-[(3aR,4R,6R,6aR)-2,2-dimethyl-6-(3-methyl-2,4-dioxo-3,4-dihydro-2H-pyrimidin-1-yl)-tetrahydro-furo[3,4-d][1,3]dioxol-4-yl]-2-hydroxy-butyl ester

1-[(2R,3R,4S,5R)-3,4-Dihydroxy-5-(2-oxiranyl-ethyl)-tetrahydro-furan-2-yl]-3-methyl-1H-pyrimidine-2,4-dione

1-[(3aR,4R,6R,6aR)-2,2-Dimethyl-6-(2-oxiranyl-ethyl)-tetrahydro-furo[3,4-d][1,3]dioxol-4-yl]-3-methyl-1H-pyrimidine-2,4-dione

1-[(3aR,4R,6R,6aR)-6-(4-Allyloxy-3-hydroxy-butyl)-2,2-dimethyl-tetrahydro-furo[3,4-d][1,3]dioxol-4-yl]-3-methyl-1H-pyrimidine-2,4-dione

Toluene-4-sulfonic acid 1-allyloxymethyl-3-[(2R,3S,4R,5R)-3,4-dihydroxy-5-(3-methyl-2,4-dioxo-3,4-dihydro-2H-pyrimidin-1-yl)-tetrahydro-furan-2-yl]-propyl ester