6H-6a,10-(Epoxymethano)-1,3,5,2,4-trioxadisilocino[7,6-d][1,2]oxazine-8(7H)-carboxylic acid, 11-[4-(benzoylamino)-5-methyl-2-oxo-1(2H)-pyrimidinyl]dihydro-2,2,4,4-tetrakis(1-methylethyl)-, phenylmethyl ester, (6aR,10R,10aS,11R)-

6H-6a,10-(Epoxymethano)-1,3,5,2,4-trioxadisilocino[7,6-d][1,2]oxazine-8(7H)-carboxylic acid, 11-(4-amino-5-methyl-2-oxo-1(2H)-pyrimidinyl)dihydro-2,2,4,4-tetrakis(1-methylethyl)-, phenylmethyl ester, (6aR,10R,10aS,11R)-

6H-6a,10-(Epoxymethano)-1,3,5,2,4-trioxadisilocino[7,6-d][1,2]oxazine-8(7H)-carboxylic acid, dihydro-2,2,4,4-tetrakis(1-methylethyl)-11-[5-methyl-2-oxo-4-(1H-1,2,4-triazol-1-yl)-1(2H)-pyrimidinyl]-, phenylmethyl ester, (6aR,10R,10aS,11R)-

(1R,5R,7R,8S)-5-[[Bis(4-methoxyphenyl)phenylmethoxy]methyl]-7-[5-methyl-2-oxo-4-(1H-1,2,4-triazol-1-yl)-1(2H)-pyrimidinyl]-3-(2-phenoxyacetyl)-2,6-dioxa-3-azabicyclo[3.2.1]oct-8-yl 2-cyanoethyl N,N-bis(1-methylethyl)phosphoramidite

(1R,5R,7R,8S)-5-[[Bis(4-methoxyphenyl)phenylmethoxy]methyl]-7-(3,4-dihydro-5-methyl-2,4-dioxo-1(2H)-pyrimidinyl)-3-(2-phenoxyacetyl)-2,6-dioxa-3-azabicyclo[3.2.1]oct-8-yl 2-cyanoethyl N,N-bis(1-methylethyl)phosphoramidite

1-[(1R,5R,7R,8S)-5-[[Bis(4-methoxyphenyl)phenylmethoxy]methyl]-8-hydroxy-3-(2-phenoxyacetyl)-2,6-dioxa-3-azabicyclo[3.2.1]oct-7-yl]-5-methyl-2,4(1H,3H)-pyrimidinedione

1-[(1R,5R,7R,8S)-8-Hydroxy-5-(hydroxymethyl)-3-(2-phenoxyacetyl)-2,6-dioxa-3-azabicyclo[3.2.1]oct-7-yl]-5-methyl-2,4(1H,3H)-pyrimidinedione

(6aR,10R,10aS,11R)-11-(3,4-Dihydro-5-methyl-2,4-dioxo-1(2H)-pyrimidinyl)tetrahydro-2,2,4,4-tetrakis(1-methylethyl)-8-(2-phenoxyacetyl)-6H-6a,10-(epoxymethano)-1,3,5,2,4-trioxadisilocino[7,6-d][1,2]oxazine

(1R,5R,7R,8S)-5-[[Bis(4-methoxyphenyl)phenylmethoxy]methyl]-3-methyl-7-[5-methyl-2-oxo-4-(1H-1,2,4-triazol-1-yl)-1(2H)-pyrimidinyl]-2,6-dioxa-3-azabicyclo[3.2.1]oct-8-yl 2-cyanoethyl N,N-bis(1-methylethyl)phosphoramidite

(1R,5R,7R,8S)-5-[[Bis(4-methoxyphenyl)phenylmethoxy]methyl]-7-(3,4-dihydro-5-methyl-2,4-dioxo-1(2H)-pyrimidinyl)-3-methyl-2,6-dioxa-3-azabicyclo[3.2.1]oct-8-yl 2-cyanoethyl N,N-bis(1-methylethyl)phosphoramidite

1-[(1R,5R,7R,8S)-5-[[Bis(4-methoxyphenyl)phenylmethoxy]methyl]-8-hydroxy-3-methyl-2,6-dioxa-3-azabicyclo[3.2.1]oct-7-yl]-5-methyl-2,4(1H,3H)-pyrimidinedione

1-[(1R,5R,7R,8S)-8-Hydroxy-5-(hydroxymethyl)-3-methyl-2,6-dioxa-3-azabicyclo[3.2.1]oct-7-yl]-5-methyl-2,4(1H,3H)-pyrimidinedione

5-Methyl-1-[(6aR,10R,10aS,11R)-tetrahydro-8-methyl-2,2,4,4-tetrakis(1-methylethyl)-6H-6a,10-(epoxymethano)-1,3,5,2,4-trioxadisilocino[7,6-d][1,2]oxazin-11-yl]-2,4(1H,3H)-pyrimidinedione

5-Methyl-1-[(6aR,10R,10aS,11R)-tetrahydro-2,2,4,4-tetrakis(1-methylethyl)-6H-6a,10-(epoxymethano)-1,3,5,2,4-trioxadisilocino[7,6-d][1,2]oxazin-11-yl]-2,4(1H,3H)-pyrimidinedione

Phenylmethyl (6aR,10R,10aS,11R)-11-(3,4-dihydro-5-methyl-2,4-dioxo-1(2H)-pyrimidinyl)dihydro-2,2,4,4-tetrakis(1-methylethyl)-6H-6a,10-(epoxymethano)-1,3,5,2,4-trioxadisilocino[7,6-d][1,2]oxazine-8(7H)-carboxylate

5-Methyl-4′-C-[[[(4-methylphenyl)sulfonyl]oxy]methyl]-2′-O-[[(phenylmethoxy)carbonyl]amino]-3′,5′-O-[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]uridine

2′-O-Amino-5-methyl-4′-C-[[[(4-methylphenyl)sulfonyl]oxy]methyl]-3′,5′-O-[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]uridine

2′-O-(1,3-Dihydro-1,3-dioxo-2H-isoindol-2-yl)-5-methyl-4′-C-[[[(4-methylphenyl)sulfonyl]oxy]methyl]-3′,5′-O-[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]uridine

2,4(1H,3H)-Pyrimidinedione, 5-methyl-1-[4-C-[[[(4-methylphenyl)sulfonyl]oxy]methyl]-3,5-O-[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]-2-O-(trifluoroacetyl)-β-D-arabinofuranosyl]-

5-Methyl-1-[4-C-[[[(4-methylphenyl)sulfonyl]oxy]methyl]-3,5-O-[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]-β-D-arabinofuranosyl]-2,4(1H,3H)-pyrimidinedione