(+)-3-benzoyl-1-[(3R,4S,5R)-5-(tert-butyldiphenylsilanyloxymethyl)-4-fluorotetrahydrothien-3-yl]-1H-pyrimidine-2,4-dione

(-)-1-[(3R,4S,5R)-5-(tert-butyldiphenylsilanyloxymethyl)-4-fluorotetrahydrothien-3-yl]-5-methyl-1H-pyrimidine-2,4-dione

Benzoic acid (2R,3S,4R)-5-acetoxy-4-azido-2-(tert-butyl-dimethyl-silanyloxymethyl)-tetrahydro-thiophen-3-yl ester

Benzoic acid (2R,3S,4R)-4-azido-2-(tert-butyl-dimethyl-silanyloxymethyl)-tetrahydro-thiophen-3-yl ester

Benzoic acid (2R,3S,4R,5S)-5-(4-acetylamino-2-oxo-2H-pyrimidin-1-yl)-4-azido-2-hydroxymethyl-tetrahydro-thiophen-3-yl ester