2,4(1H,3H)-Pyrimidinedione, 6-methyl-3-(2,3-O-phosphinico-β-D-ribofuranosyl)-

6-Methyl-3-(3-O-phosphono-β-D-ribofuranosyl)-2,4(1H,3H)-pyrimidinedione

2,4(1H,3H)-Pyrimidinedione, 5-bromo-6-methyl-3-(2,3-O-phosphinico-β-D-ribofuranosyl)-

5-Bromo-6-methyl-3-(3-O-phosphono-β-D-ribofuranosyl)-2,4(1H,3H)-pyrimidinedione

2,4(1H,3H)-Pyrimidinedione, 1-[5,6,7-trideoxy-5-isothiocyanato-2,3-O-(1-methylethylidene)-β-D-allo-hept-6-enofuranosyl]-

2,4(1H,3H)-Pyrimidinedione, 1-[(5E)-5,6,7-trideoxy-2,3-O-(1-methylethylidene)-7-thiocyanato-β-D-ribo-hept-5-enofuranosyl]-

5′-Adenylic acid, N-methyl-N-1-naphthalenyl-

1-[3,5-Bis-O-(4-chlorobenzoyl)-2-deoxy-α-D-erythro-pentofuranosyl]-5-propyl-2,4(1H,3H)-pyrimidinedione

Phosphoramidous acid, bis(1-methylethyl)-, 2-cyanoethyl [(1S,3S,4S)-1-(3,4-dihydro-2,4-dioxo-1(2H)-pyrimidinyl)-5-[(4-methoxyphenyl)diphenylmethyl]-2-oxa-5-azabicyclo[2.2.1]hept-3-yl]methyl ester

1-[(1S,3S,4S)-3-(Hydroxymethyl)-5-[(4-methoxyphenyl)diphenylmethyl]-2-oxa-5-azabicyclo[2.2.1]hept-1-yl]-2,4(1H,3H)-pyrimidinedione

1-[(1S,3S,4S)-3-[(Benzoyloxy)methyl]-5-[(4-methoxyphenyl)diphenylmethyl]-2-oxa-5-azabicyclo[2.2.1]hept-1-yl]-2,4(1H,3H)-pyrimidinedione

1-[(1S,3S,4S)-5-[(4-Methoxyphenyl)diphenylmethyl]-3-[[(methylsulfonyl)oxy]methyl]-2-oxa-5-azabicyclo[2.2.1]hept-1-yl]-2,4(1H,3H)-pyrimidinedione

1-[(1S,3S,4S)-3-[[(Methylsulfonyl)oxy]methyl]-2-oxa-5-azabicyclo[2.2.1]hept-1-yl]-2,4(1H,3H)-pyrimidinedione

Uridine, 3′-azido-2′,3′-dideoxy-1′-C-[[(methylsulfonyl)oxy]methyl]-, 5′-methanesulfonate

(2S,4S,5S)-4-Azido-4,5-dihydro-5-[[[(4-methylphenyl)sulfonyl]oxy]methyl]spiro[furan-2(3H),3′(2′H)-[7H]oxazolo[3,2-a]pyrimidin]-7′-one

2,4(1H,3H)-Pyrimidinedione, 1-[1,6-bis-O-[bis(4-methoxyphenyl)phenylmethyl]-3-deoxy-β-D-threo-2-hexulofuranosyl]-

Uridine, 3′-azido-1′-C-[[bis(4-methoxyphenyl)phenylmethoxy]methyl]-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′,3′-dideoxy-

(2R,3R,5S)-3,5-Bis[[bis(4-methoxyphenyl)phenylmethoxy]methyl]-2,3-dihydro-2,5-methano-5H,9H-pyrimido[2,1-b][1,5,3]dioxazepin-9-one

Uridine, 1′-C-[[bis(4-methoxyphenyl)phenylmethoxy]methyl]-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-, 3′-methanesulfonate

Uridine, 1′-C-[[bis(4-methoxyphenyl)phenylmethoxy]methyl]-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-