5-Pyrimidinecarbonitrile, 1-[5-O-[bis(4-methoxyphenyl)phenylmethyl]-2-deoxy-β-D-erythro-pentofuranosyl]-1,2,3,6-tetrahydro-2,6-dioxo-

1H-Pyrimido[5,4-b][1,4]benzoxazin-2(3H)-one, 3-[5-O-[bis(4-methoxyphenyl)phenylmethyl]-2-deoxy-2-fluoro-3-O-[(1S,3S,3aS)-tetrahydro-3-[(phenylsulfonyl)methyl]-1H,3H-pyrrolo[1,2-c][1,3,2]oxazaphosphol-1-yl]-β-D-ribofuranosyl]-

2,4(1H,3H)-Pyrimidinedione, 3-[5-O-[bis(4-methoxyphenyl)phenylmethyl]-2-deoxy-2-fluoro-α-D-arabinofuranosyl]-

2,4(1H,3H)-Pyrimidinedione, 3-[5-O-[bis(4-methoxyphenyl)phenylmethyl]-2-deoxy-2-fluoro-β-D-arabinofuranosyl]-

5′-Cytidylic acid, 3′-ester with N2,N6-dicarboxy-L-lysine N2,N6-di-tert-butyl ester

s-Triazin-2(1H)-one, 4-amino-1-β-D-ribopyranosyl-, 2′,3′,4′-triacetate

Adenosine, N-benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-7,8-dihydro-8-thioxo-

Uridine 5′-(trihydrogen diphosphate), P′-(4-nitrophenyl) ester

3′-Thymidylic acid, α-[1-[3-O-[[bis(1-methylethyl)amino](2-cyanoethoxy)phosphino]-2-deoxy-β-D-erythro-pentofuranosyl]-1,2,3,4-tetrahydro-2,4-dioxo-3-[[2-(trimethylsilyl)ethoxy]methyl]-5-pyrimidinyl]-5,6-dihydro-5-methyl-3-[[2-(trimethylsilyl)ethoxy]methyl]-, mono(2-chlorophenyl) ester, intramol

Adenosine, 3′-deoxy-3′-[(hydroxymercaptophosphinyl)(1-methylethyl)amino]-, intramol

Adenosine, 3′-deoxy-3′-[(hydroxymercaptophosphinyl)(phenylmethyl)amino]-, intramol