2,4(1H,3H)-Pyrimidinedione, 1-[5-[[N-[[[(1S)-1-carboxy-2-(4-hydroxyphenyl)ethyl]amino]carbonyl]-L-methionyl-N3-glycyl-(2S,3S)-2-amino-3-(methylamino)butanoyl]amino]-3,5-dideoxy-α-L-threo-pentofuranosyl]-

2,4(1H,3H)-Pyrimidinedione, 1-[5-[[N-[[[(1S)-1-carboxy-2-(1H-indol-3-yl)ethyl]amino]carbonyl]-L-alanyl-N3-(3-hydroxy-L-phenylalanyl)-(2S,3S)-2-amino-3-(methylamino)butanoyl]amino]-3,5-dideoxy-α-L-threo-pentofuranosyl]-

2,4(1H,3H)-Pyrimidinedione, 1-[5-[[N-[[[(1S)-1-carboxy-2-(4-hydroxyphenyl)ethyl]amino]carbonyl]-L-phenylalanyl-N3-glycyl-(2S,3S)-2-amino-3-(methylamino)butanoyl]amino]-3,5-dideoxy-α-L-threo-pentofuranosyl]-

2,4(1H,3H)-Pyrimidinedione, 1-[5-[[N-[[[(1S)-1-carboxy-2-(4-hydroxyphenyl)ethyl]amino]carbonyl]-L-phenylalanyl-N3-L-leucyl-(2S,3S)-2-amino-3-(methylamino)butanoyl]amino]-3,5-dideoxy-α-L-threo-pentofuranosyl]-

2,4(1H,3H)-Pyrimidinedione, 1-[5-[[N-[[[(1S)-1-carboxy-2-(4-hydroxyphenyl)ethyl]amino]carbonyl]-L-phenylalanyl-N3-L-phenylalanyl-(2S,3S)-2-amino-3-(methylamino)butanoyl]amino]-3,5-dideoxy-α-L-threo-pentofuranosyl]-

2,4(1H,3H)-Pyrimidinedione, 1-[5-[[N-[[[(1S)-1-carboxy-2-(1H-indol-3-yl)ethyl]amino]carbonyl]-L-alanyl-N3-[N-[(9H-fluoren-9-ylmethoxy)carbonyl]-L-alanyl]-(2S,3S)-2-amino-3-(methylamino)butanoyl]amino]-3,5-dideoxy-α-L-threo-pentofuranosyl]-

1,3-Dideoxy-1-(3,4-dihydro-2,4-dioxo-1(2H)-pyrimidinyl)-2-O-[(1,1-dimethylethyl)dimethylsilyl]-α-L-threo-pentofuranuronic acid

2,4(1H,3H)-Pyrimidinedione, 1-[5-[[N-[[[(1S)-1-carboxy-2-(1H-indol-3-yl)ethyl]amino]carbonyl]-L-alanyl-N3-L-alanyl-(2S,3S)-2-amino-3-(methylamino)butanoyl]amino]-3,5-dideoxy-α-L-threo-pentofuranosyl]-

2,4(1H,3H)-Pyrimidinedione, 1-[5-[[N-[[[(1S)-2-(1,1-dimethylethoxy)-1-(1H-indol-3-ylmethyl)-2-oxoethyl]amino]carbonyl]-L-alanyl-N3-[N-[(9H-fluoren-9-ylmethoxy)carbonyl]-L-alanyl]-(2S,3S)-2-amino-3-(methylamino)butanoyl]amino]-3,5-dideoxy-α-L-threo-pentofuranosyl]-

1-[3,5-Dideoxy-5-[[(2S,3S)-2-[[(1,1-dimethylethoxy)carbonyl]amino]-3-[[(2S)-2-[[(9H-fluoren-9-ylmethoxy)carbonyl]amino]-1-oxopropyl]methylamino]-1-oxobutyl]amino]-α-L-threo-pentofuranosyl]-2,4(1H,3H)-pyrimidinedione

1-(5-Amino-3,5-dideoxy-α-L-threo-pentofuranosyl)-2,4(1H,3H)-pyrimidinedione

1-(5-Azido-3,5-dideoxy-α-L-threo-pentofuranosyl)-2,4(1H,3H)-pyrimidinedione

1-[5-Azido-3,5-dideoxy-2-O-[(1,1-dimethylethyl)dimethylsilyl]-α-L-threo-pentofuranosyl]-2,4(1H,3H)-pyrimidinedione

1-[3-Deoxy-2-O-[(1,1-dimethylethyl)dimethylsilyl]-5-O-[(4-methylphenyl)sulfonyl]-α-L-threo-pentofuranosyl]-2,4(1H,3H)-pyrimidinedione

1-[3-Deoxy-2-O-[(1,1-dimethylethyl)dimethylsilyl]-α-L-threo-pentofuranosyl]-2,4(1H,3H)-pyrimidinedione

α-L-threo-Pentofuranuronic acid, 1,3-dideoxy-1-(3,4-dihydro-2,4-dioxo-1(2H)-pyrimidinyl)-2-O-[(1,1-dimethylethyl)dimethylsilyl]-, 1,1-dimethylethyl ester

Uridine, 5′-azido-3′,5′-dideoxy-

Uridine, 3′-deoxy-2′-O-[(1,1-dimethylethyl)dimethylsilyl]-, 5′-(4-methylbenzenesulfonate)

2,3-Dihydro-2-oxo-1-(5-O-phosphono-β-D-ribofuranosyl)-1H-imidazole-4-carboxaldehyde