Adenosine, N,7-dibenzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-O-methyl-7,8-dihydro-8-oxo-3′-O-[(1S,3S,3aS)-tetrahydro-3-[(phenylsulfonyl)methyl]-1H,3H-pyrrolo[1,2-c][1,3,2]oxazaphosphol-1-yl]-

2,4(1H,3H)-Pyrimidinedione, 3-[5-O-[bis(4-methoxyphenyl)phenylmethyl]-2-O-(2-methoxyethyl)-3-O-[(1S,3S,3aS)-tetrahydro-3-[(phenylsulfonyl)methyl]-1H,3H-pyrrolo[1,2-c][1,3,2]oxazaphosphol-1-yl]-β-D-ribofuranosyl]-

Adenosine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-7,8-dihydro-N-[(methylamino)carbonyl]-8-oxo-3′-O-[(1S,3S,3aS)-tetrahydro-3-[(phenylsulfonyl)methyl]-1H,3H-pyrrolo[1,2-c][1,3,2]oxazaphosphol-1-yl]-

Inosine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-O-methyl-3′-O-[(1S,3S,3aS)-tetrahydro-3-[(phenylsulfonyl)methyl]-1H,3H-pyrrolo[1,2-c][1,3,2]oxazaphosphol-1-yl]-

Acetamide, N-[1-[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-arabinofuranosyl]-1,2-dihydro-2-oxo-4-pyrimidinyl]-

Uridine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-2′-fluoro-5-(1-propyn-1-yl)-3′-O-[(1S,3S,3aS)-tetrahydro-3-[(phenylsulfonyl)methyl]-1H,3H-pyrrolo[1,2-c][1,3,2]oxazaphosphol-1-yl]-

Uridine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-5-(1-propyn-1-yl)-3′-O-[(1S,3S,3aS)-tetrahydro-3-[(phenylsulfonyl)methyl]-1H,3H-pyrrolo[1,2-c][1,3,2]oxazaphosphol-1-yl]-