2,4(1H,3H)-Pyrimidinedione, 1-[5-azido-4-C-[[bis(1-methylethoxy)phosphinyl]methoxy]-2,5-dideoxy-α-L-threo-pentofuranosyl]-5-methyl-

2,4(1H,3H)-Pyrimidinedione, 1-[2,5-dideoxy-4-C-[(dimethoxyphosphinyl)methoxy]-3-O-[(1,1-dimethylethyl)diphenylsilyl]-5-iodo-α-L-threo-pentofuranosyl]-5-methyl-

2,4(1H,3H)-Pyrimidinedione, 1-[2,5-dideoxy-4-C-[(dimethoxyphosphinyl)methoxy]-3-O-[(1,1-dimethylethyl)dimethylsilyl]-5-iodo-α-L-threo-pentofuranosyl]-5-methyl-

2,4(1H,3H)-Pyrimidinedione, 1-[3-O-acetyl-4-C-[[bis(1-methylethoxy)phosphinyl]methoxy]-2,5-dideoxy-5-iodo-α-L-threo-pentofuranosyl]-5-methyl-

2,4(1H,3H)-Pyrimidinedione, 1-[4-C-[[bis(1-methylethoxy)phosphinyl]methoxy]-2,5-dideoxy-3-O-[(1,1-dimethylethyl)diphenylsilyl]-5-iodo-α-L-threo-pentofuranosyl]-5-methyl-

2,4(1H,3H)-Pyrimidinedione, 1-[4-C-[[bis(1-methylethoxy)phosphinyl]methoxy]-2,5-dideoxy-3-O-[(1,1-dimethylethyl)dimethylsilyl]-5-iodo-α-L-threo-pentofuranosyl]-5-methyl-

2,4(1H,3H)-Pyrimidinedione, 1-[4-C-[[bis(1-methylethoxy)phosphinyl]methoxy]-2,5-dideoxy-5-iodo-α-L-threo-pentofuranosyl]-5-methyl-

Adenosine, 4′-de[(phosphinicooxy)methyl]-4′-C-methylthymidylyloxymethylenephosphinico-(4′→3′)-2′-deoxy-

Thymidylylmethyleneoxy-(3′→4′)-4′-de(hydroxymethyl)-4′-C-methylthymidine

Adenosine, 4′-de[(phosphinicooxy)methyl]-3′-O-[(1,1-dimethylethyl)dimethylsilyl]-4′-C-methylthymidylyloxymethylene(methoxyphosphinylidene)-(4′→3′)-N-benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-

5′-O-[Bis(4-methoxyphenyl)phenylmethyl]-P-methylthymidylylmethyleneoxy-(3′→4′)-5′-deoxy-3′-O-[(1,1-dimethylethyl)dimethylsilyl]-α-L-threo-thymidine

1-[2,5-Dideoxy-3-O-[(1,1-dimethylethyl)dimethylsilyl]-4-C-[(hydroxymethoxyphosphinyl)methoxy]-α-L-threo-pentofuranosyl]-5-methyl-2,4(1H,3H)-pyrimidinedione

1-[2,5-Dideoxy-4-C-[(dimethoxyphosphinyl)methoxy]-3-O-[(1,1-dimethylethyl)dimethylsilyl]-α-L-threo-pentofuranosyl]-5-methyl-2,4(1H,3H)-pyrimidinedione

1-[4-C-[[Bis(1-methylethoxy)phosphinyl]methoxy]-2,5-dideoxy-3-O-[(1,1-dimethylethyl)dimethylsilyl]-α-L-threo-pentofuranosyl]-5-methyl-2,4(1H,3H)-pyrimidinedione

1-[4-C-[[Bis(1-methylethoxy)phosphinyl]methoxy]-2,5-dideoxy-α-L-threo-pentofuranosyl]-5-methyl-2,4(1H,3H)-pyrimidinedione

β-Alanine, N2,N6-bis[(1,1-dimethylethoxy)carbonyl]-L-lysyl-, [(9S,10S,12R)-2,3,9,10,11,12-hexahydro-10-methoxy-9-methyl-1-oxo-9,12-epoxy-1H-diindolo[1,2,3-fg:3′,2′,1′-kl]pyrrolo[3,4-i][1,6]benzodiazocin-10-yl]methyl ester

L-Glutamic acid, N-[(1,1-dimethylethoxy)carbonyl]-, 5-(1,1-dimethylethyl) 1-[(2,3,9,10,11,12-hexahydro-10-methoxy-9-methyl-1-oxo-9,12-epoxy-1H-diindolo[1,2,3-fg:3′,2′,1′-kl]pyrrolo[3,4-i][1,6]benzodiazocin-10-yl)methyl] ester, [9S-(9α,10β,12α)]-

Alanine, N-[(1,1-dimethylethoxy)carbonyl]-2-methyl-, (2,3,9,10,11,12-hexahydro-10-methoxy-9-methyl-1-oxo-9,12-epoxy-1H-diindolo[1,2,3-fg:3′,2′,1′-kl]pyrrolo[3,4-i][1,6]benzodiazocin-10-yl)methyl ester, [9S-(9α,10β,12α)]-

β-Alanine, N-[(1,1-dimethylethoxy)carbonyl]-, (2,3,9,10,11,12-hexahydro-10-methoxy-9-methyl-1-oxo-9,12-epoxy-1H-diindolo[1,2,3-fg:3′,2′,1′-kl]pyrrolo[3,4-i][1,6]benzodiazocin-10-yl)methyl ester, [9S-(9α,10β,12α)]-

L-Ornithine, N2-[(1,1-dimethylethoxy)carbonyl]-N5-[[[(1,1-dimethylethoxy)carbonyl]amino]iminomethyl]-, (2,3,9,10,11,12-hexahydro-10-methoxy-9-methyl-1-oxo-9,12-epoxy-1H-diindolo[1,2,3-fg:3′,2′,1′-kl]pyrrolo[3,4-i][1,6]benzodiazocin-10-yl)methyl ester, [9S-(9α,10β,12α)]-