2(S)-(acetoxymethyl)-4-[3,4-dihydro-2-oxo-4-amino-1(2H)-pyrimidinyl]-2,5-dihydrofuran

4(R)-[{(3-ethoxy-1-oxo-2-propenyl)aminocarbonyl}amino]-2(R)-(tert-butyldimethylsilyloxymethyl)-3(S)-(tert-butyldiphenylsilyloxy)tetrahydrofuran

Benzoic acid (2R,3S,4R)-4-(2,4-dioxo-3,4-dihydro-2H-pyrimidin-1-yl)-3-hydroxy-tetrahydro-furan-2-ylmethyl ester

4(R)-[3,4-dihydro-2,4-dioxo-1(2H)-pyrimidinyl]-2(R)-(hydroxymethyl)-3(S)-(tert-butyldiphenylsilyloxy)tetrahydrofuran

2(R)-(tert-butyldimethylsilyloxymethyl)-3(S)-(tert-butyldiphenylsilyloxy)-4(R)-aminotetrahydrofuran

isod4U

DL-Ribitol, 1,4-anhydro-