2,4(1H,3H)-Pyrimidinedione, 1-[5-[[(2S,3S)-3-[[(2R)-2-amino-1-oxopropyl]methylamino]-2-[[(2S)-2-[[[[(1S)-1-carboxy-2-(1H-indol-3-yl)ethyl]amino]carbonyl]amino]-1-oxopropyl]amino]-1-oxobutyl]amino]-3,5-dideoxy-α-L-threo-pentofuranosyl]-3-methyl-

2,4(1H,3H)-Pyrimidinedione, 1-[5-[[(2S,3S)-3-[[(2R)-2-amino-1-oxopropyl]methylamino]-2-[[(2S)-2-[[[[(1S)-1-carboxy-2-(1H-indol-3-yl)ethyl]amino]carbonyl]amino]-1-oxopropyl]amino]-1-oxobutyl]amino]-3,5-dideoxy-α-L-threo-pentofuranosyl]-6-methyl-

2,4(1H,3H)-Pyrimidinedione, 1-[5-[[(2S,3S)-3-[[(2R)-2-amino-1-oxopropyl]methylamino]-2-[[(2S)-2-[[[[(1S)-1-carboxy-2-(1H-indol-3-yl)ethyl]amino]carbonyl]amino]-1-oxopropyl]amino]-1-oxobutyl]amino]-3,5-dideoxy-α-L-threo-pentofuranosyl]-5,6-dimethyl-

2,4(1H,3H)-Pyrimidinedione, 1-[5-[[(2S,3S)-3-[[(2R)-2-amino-1-oxopropyl]methylamino]-2-[[(2S)-2-[[[[(1S)-1-carboxy-2-(1H-indol-3-yl)ethyl]amino]carbonyl]amino]-1-oxopropyl]amino]-1-oxobutyl]amino]-3,5-dideoxy-α-L-threo-pentofuranosyl]-5-methyl-

2,4(1H,3H)-Pyrimidinedione, 1-[5-[[(2S,3S)-3-[[(2R)-2-amino-1-oxopropyl]methylamino]-2-[[(2S)-2-[[[[(1S)-1-carboxy-2-(1H-indol-3-yl)ethyl]amino]carbonyl]amino]-1-oxopropyl]amino]-1-oxobutyl]amino]-3,5-dideoxy-α-L-threo-pentofuranosyl]-5-chloro-

2,4(1H,3H)-Pyrimidinedione, 1-[5-[[(2S,3S)-3-[[(2R)-2-amino-1-oxopropyl]methylamino]-2-[[(2S)-2-[[[[(1S)-1-carboxy-2-(1H-indol-3-yl)ethyl]amino]carbonyl]amino]-1-oxopropyl]amino]-1-oxobutyl]amino]-3,5-dideoxy-α-L-threo-pentofuranosyl]-5-fluoro-

1-(5-Amino-3,5-dideoxy-α-L-threo-pentofuranosyl)-3-methoxy-2(1H)-pyridinone

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

1-(5-Amino-3,5-dideoxy-α-L-threo-pentofuranosyl)-6-methyl-2,4(1H,3H)-pyrimidinedione

2,4(1H,3H)-Pyrimidinedione, 1-(5-amino-3,5-dideoxy-α-L-threo-pentofuranosyl)-5,6-dimethyl-

2,4(1H,3H)-Pyrimidinedione, 1-(5-amino-3,5-dideoxy-α-L-threo-pentofuranosyl)-5-methyl-

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

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

1-(2-O-Acetyl-5-azido-3,5-dideoxy-α-L-threo-pentofuranosyl)-3-methoxy-2(1H)-pyridinone

2,4(1H,3H)-Pyrimidinedione, 1-(2-O-acetyl-5-azido-3,5-dideoxy-α-L-threo-pentofuranosyl)-3-methyl-

2,4(1H,3H)-Pyrimidinedione, 1-(2-O-acetyl-5-azido-3,5-dideoxy-α-L-threo-pentofuranosyl)-6-methyl-

1-(2-O-Acetyl-5-azido-3,5-dideoxy-α-L-threo-pentofuranosyl)-5,6-dimethyl-2,4(1H,3H)-pyrimidinedione

2,4(1H,3H)-Pyrimidinedione, 1-(2-O-acetyl-5-azido-3,5-dideoxy-α-L-threo-pentofuranosyl)-5-methyl-

2,4(1H,3H)-Pyrimidinedione, 1-(2-O-acetyl-5-azido-3,5-dideoxy-α-L-threo-pentofuranosyl)-5-chloro-

2,4(1H,3H)-Pyrimidinedione, 1-(2-O-acetyl-5-azido-3,5-dideoxy-α-L-threo-pentofuranosyl)-5-fluoro-