Uridine, 4′,4′′′-C-[dithiobis(methylene)]bis[2′-deoxy-

Uridine, 3′,3′′′-dithiobis[2′,3′-dideoxy-4′-C-(hydroxymethyl)-

1-[2,3,5-Trideoxy-3,5-epithio-4-C-(hydroxymethyl)-α-L-threo-pentofuranosyl]-2,4(1H,3H)-pyrimidinedione

Uridine, 2′-deoxy-4′-C-(hydroxymethyl)-, 3′,5′-dibenzoate

Uridine, 2′-deoxy-4′-C-[[[(4-methylphenyl)sulfonyl]oxy]methyl]-, 3′,5′-dibenzoate

2,5-Methano-5H,9H-pyrimido[2,1-b][1,5,3]dioxazepin-9-one, 3-[(benzoyloxy)methyl]-2,3-dihydro-3-[[(methylsulfonyl)oxy]methyl]-, [2R-(2α,3α,5α)]-

2,5-Methano-5H,9H-pyrimido[2,1-b][1,5,3]dioxazepin-9-one, 3,3-bis[(benzoyloxy)methyl]-2,3-dihydro-, (2R-cis)-

Phenylmethyl N-[1-[5-O-[bis[(5-nitro-2-furanyl)methoxy]phosphinyl]-2,3-bis-O-[(phenylmethoxy)carbonyl]-β-D-arabinofuranosyl]-1,2-dihydro-2-oxo-4-pyrimidinyl]carbamate

Phenylmethyl N-[1,2-dihydro-1-[5-O-[[(5-nitro-2-thienyl)methoxy][(phenylmethyl)amino]phosphinyl]-2,3-bis-O-[(phenylmethoxy)carbonyl]-β-D-arabinofuranosyl]-2-oxo-4-pyrimidinyl]carbamate

Phenylmethyl N-[1,2-dihydro-1-[5-O-[[(1-methyl-2-nitro-1H-imidazol-5-yl)methoxy][(2-nitro-5-thiazolyl)methoxy]phosphinyl]-2,3-bis-O-[(phenylmethoxy)carbonyl]-β-D-arabinofuranosyl]-2-oxo-4-pyrimidinyl]carbamate

Phenylmethyl N-[1-[5-O-[bis[(2-nitro-5-thiazolyl)methoxy]phosphinyl]-2,3-bis-O-[(phenylmethoxy)carbonyl]-β-D-arabinofuranosyl]-1,2-dihydro-2-oxo-4-pyrimidinyl]carbamate

Phenylmethyl N-[1,2-dihydro-1-[5-O-[[(1-methyl-2-nitro-1H-imidazol-5-yl)methoxy][(phenylmethyl)amino]phosphinyl]-2,3-bis-O-[(phenylmethoxy)carbonyl]-β-D-arabinofuranosyl]-2-oxo-4-pyrimidinyl]carbamate

L-Alanine, N-[hydroxy[(5-nitro-2-thienyl)methoxy]phosphinyl]-, phenylmethyl ester, 5′-ester with 1-[2,3-bis-O-[(4-methoxyphenyl)diphenylmethyl]-β-D-arabinofuranosyl]-4-[[(4-methoxyphenyl)diphenylmethyl]amino]-2(1H)-pyrimidinone

Phenylmethyl N-[1-[5-O-[bis[(5-nitro-2-furanyl)methoxy]phosphinyl]-2-O-[(phenylmethoxy)carbonyl]-β-D-arabinofuranosyl]-1,2-dihydro-2-oxo-4-pyrimidinyl]carbamate

Phenylmethyl N-[1,2-dihydro-1-[5-O-[[(5-nitro-2-thienyl)methoxy][(phenylmethyl)amino]phosphinyl]-2-O-[(phenylmethoxy)carbonyl]-β-D-arabinofuranosyl]-2-oxo-4-pyrimidinyl]carbamate

Phenylmethyl N-[1,2-dihydro-1-[5-O-[[(1-methyl-2-nitro-1H-imidazol-5-yl)methoxy][(2-nitro-5-thiazolyl)methoxy]phosphinyl]-2-O-[(phenylmethoxy)carbonyl]-β-D-arabinofuranosyl]-2-oxo-4-pyrimidinyl]carbamate

Phenylmethyl N-[1-[5-O-[bis[(2-nitro-5-thiazolyl)methoxy]phosphinyl]-2-O-[(phenylmethoxy)carbonyl]-β-D-arabinofuranosyl]-1,2-dihydro-2-oxo-4-pyrimidinyl]carbamate

Phenylmethyl N-[1,2-dihydro-1-[5-O-[[(1-methyl-2-nitro-1H-imidazol-5-yl)methoxy][(phenylmethyl)amino]phosphinyl]-2-O-[(phenylmethoxy)carbonyl]-β-D-arabinofuranosyl]-2-oxo-4-pyrimidinyl]carbamate

Phenylmethyl N-[1,2-dihydro-2-oxo-1-[2-O-[(phenylmethoxy)carbonyl]-β-D-arabinofuranosyl]-4-pyrimidinyl]carbamate