Adenosine, 2-chloro-N,N-bis[(1,1-dimethylethoxy)carbonyl]-5′-O-[2-ethoxy-1-(ethoxycarbonyl)-2-oxo-1-(3-thienylmethyl)ethyl]-3′-C-ethynyl-, 2′,3′-diacetate

Adenosine, 5′-O-[1,1-bis(ethoxycarbonyl)-3-butyn-1-yl]-2-chloro-N,N-bis[(1,1-dimethylethoxy)carbonyl]-3′-C-ethynyl-, 2′,3′-diacetate

4H-Pyrrolo[2,3-d]pyrimidin-4-one, 1,7-dihydro-2-(methylthio)-7-β-D-ribofuranosyl-

Adenosine, 8-bromo-5′-O-(triphenylmethyl)-, 2′-[2,4,6-tris(1-methylethyl)benzenesulfonate]

Acetamide, N-[1-[2-deoxy-3,5-bis-O-(4-methylbenzoyl)-α-D-erythro-pentofuranosyl]-1,2-dihydro-2-oxo-4-pyridinyl]-

Acetamide, N-[1-[2-deoxy-3,5-bis-O-(4-methylbenzoyl)-β-D-erythro-pentofuranosyl]-1,2-dihydro-2-oxo-4-pyridinyl]-

N-[1,2-Dihydro-2-oxo-1-(2,3,5-tri-O-benzoyl-β-D-ribofuranosyl)-4-pyridinyl]acetamide

1-(2-Deoxy-α-D-erythro-pentofuranosyl)-4-hydroxy-2(1H)-pyridinone

2(1H)-Pyridinone, 1-[2-deoxy-3,5-bis-O-(4-methylbenzoyl)-α-D-erythro-pentofuranosyl]-4-hydroxy-