2,4(1H,3H)-Pyrimidinedione, 5-ethyl-1-[tetrahydro-4-hydroxy-5-(3-hydroxypropyl)-2-furanyl]-, [2R-(2α,4β,5α)]-

2,4(1H,3H)-Pyrimidinedione, 1-[4-(acetyloxy)-5-[3-(acetyloxy)propyl]tetrahydro-2-furanyl]-5-ethyl-, [2R-(2α,4β,5α)]-

2-Furanpropanoic acid, 3-(acetyloxy)-5-(5-ethyl-3,4-dihydro-2,4-dioxo-1(2H)-pyrimidinyl)tetrahydro-, ethyl ester, [2R-(2α,3β,5α)]-

2-Propenoic acid, 3-[3-(acetyloxy)-5-(5-ethyl-3,4-dihydro-2,4-dioxo-1(2H)-pyrimidinyl)tetrahydro-2-furanyl]-, ethyl ester, [2R-[2α(E),3β,5α]]-

2,4(1H,3H)-Pyrimidinedione, 1-[5-(3-aminopropyl)tetrahydro-4-hydroxy-2-furanyl]-5-ethyl-, [2R-(2α,4β,5α)]-

1-(5-Azido-2,5-dideoxy-2-fluoro-β-D-arabinofuranosyl)-5-ethyl-2,4(1H,3H)-pyrimidinedione

1-(5-Amino-2,5-dideoxy-2-fluoro-β-D-arabinofuranosyl)-5-ethyl-2,4(1H,3H)-pyrimidinedione

Uridine, 5'-azido-5-(2-chloroethyl)-2',5'-dideoxy-

Cytidine, 5'-azido-N-benzoyl-2',5'-dideoxy-5-ethyl-

Cytidine, N-benzoyl-2'-deoxy-5-ethyl-

Cytidine, 5'-amino-N-benzoyl-2',5'-dideoxy-5-ethyl-

Uridine, 5'-azido-2',5'-dideoxy-5-ethyl-3'-O-ethyl-

Uridine, 2'-deoxy-5-ethyl-3'-O-ethyl-

Uridine, 2'-deoxy-5-ethyl-3'-O-ethyl-5'-O-(triphenylmethyl)-

Uridine, 2'-deoxy-5-ethyl-3'-O-(phenylmethyl)-

Uridine, 2'-deoxy-5-ethyl-3'-O-(phenylmethyl)-5'-O-(triphenylmethyl)-

Uridine, 2',5'-dideoxy-5-ethyl-5'-(methylamino)-

Uridine, 5'-azido-2',5'-dideoxy-5-ethyl-3'-O-(phenylmethyl)-

Uridine, 2',5'-dideoxy-5'-[[[2,6-dimethyl-4-(phenylmethoxy)phenyl]acetyl]amino]-, 3'-acetate

Uridine, 5'-[[(5-chloro-2-benzofuranyl)carbonyl]amino]-2',5'-dideoxy-5-ethyl-