Benzoic acid (2R,3S)-2-(2-benzyloxy-ethyl)-tetrahydro-furan-3-yl ester

1-[(2R,3R)-2-(2-Benzyloxy-ethyl)-tetrahydro-furan-3-yl]-1H-pyrimidine-2,4-dione

9-[(2R,3R)-2-(2-Benzyloxy-ethyl)-tetrahydro-furan-3-yl]-9H-purin-6-ylamine