2,4(1H,3H)-Pyrimidinedione, 1-[5-[[N-[[[(1S)-1-carboxy-2-(4-hydroxyphenyl)ethyl]amino]carbonyl]-4-(trifluoromethyl)-L-phenylalanyl-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)-1-carboxy-2-(4-hydroxyphenyl)ethyl]amino]carbonyl]-3,4-difluoro-L-phenylalanyl-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)-1-carboxy-2-(1H-indol-3-yl)ethyl]amino]carbonyl]-3,4-difluoro-L-phenylalanyl-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)-1-carboxy-2-phenylethyl]amino]carbonyl]-4-fluoro-L-phenylalanyl-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)-1-carboxy-2-(4-hydroxyphenyl)ethyl]amino]carbonyl]-2-fluoro-L-phenylalanyl-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)-1-carboxy-2-(1H-indol-3-yl)ethyl]amino]carbonyl]-2-fluoro-L-phenylalanyl-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-[[(2S,3S)-3-[[(2S)-2-amino-1-oxopropyl]methylamino]-2-[[(2S)-2-[[[[(1S)-1-carboxy-2-(1H-indol-3-yl)ethyl]amino]carbonyl]amino]-1-oxo-4-phenylbutyl]amino]-1-oxobutyl]amino]-3,5-dideoxy-α-L-threo-pentofuranosyl]-

2,4(1H,3H)-Pyrimidinedione, 1-[5-[[(2S,3S)-3-[[(2S)-2-amino-1-oxopropyl]methylamino]-2-[[(2S)-2-[[[[(1S)-1-carboxy-2-(4-hydroxyphenyl)ethyl]amino]carbonyl]amino]-1-oxo-4-phenylbutyl]amino]-1-oxobutyl]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]-3-cyclohexyl-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)-1-carboxy-2-(4-hydroxyphenyl)ethyl]amino]carbonyl]-4-chloro-L-phenylalanyl-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)-1-carboxy-2-(4-hydroxyphenyl)ethyl]amino]carbonyl]-4-iodo-L-phenylalanyl-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)-1-carboxy-2-(2-naphthalenyl)ethyl]amino]carbonyl]-L-phenylalanyl-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)-1-carboxy-2-(4-hydroxyphenyl)ethyl]amino]carbonyl]-3-(4-thiazolyl)-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-[[(2S,3S)-3-[(3-aminobenzoyl)methylamino]-2-[[(2S)-2-[[[[(1S)-1-carboxy-2-(4-hydroxyphenyl)ethyl]amino]carbonyl]amino]-3-(4-fluorophenyl)-1-oxopropyl]amino]-1-oxobutyl]amino]-3,5-dideoxy-α-L-threo-pentofuranosyl]-

2,4(1H,3H)-Pyrimidinedione, 1-[5-[[3-benzo[b]thien-3-yl-N-[[[(1S)-1-carboxy-2-(4-hydroxyphenyl)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)-1-carboxy-2-(4-hydroxyphenyl)ethyl]amino]carbonyl]-4-fluoro-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-(1H-indol-3-yl)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-[[(2S,3S)-2-[[(2S)-2-[[[[(1S)-1-carboxy-2-(4-hydroxyphenyl)ethyl]amino]carbonyl]amino]-3-(4-fluorophenyl)-1-oxopropyl]amino]-3-(methylamino)-1-oxobutyl]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]-4-nitro-L-phenylalanyl-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)-1-carboxy-2-(2-thienyl)ethyl]amino]carbonyl]-L-phenylalanyl-N3-L-alanyl-(2S,3S)-2-amino-3-(methylamino)butanoyl]amino]-3,5-dideoxy-α-L-threo-pentofuranosyl]-