[(3R)-Tetrahydro-2,5-dihydroxy-3-furanyl]methyl hydrogen 3′-O-[[(2,6-dichloro-3-hydroxy-4-methoxyphenyl)methylene]amino]-α-[[(2,3-dihydro-5-benzofuranyl)carbonyl]amino]-5′-thymidylate

[(3R)-Tetrahydro-2,5-dihydroxy-3-furanyl]methyl hydrogen 3′-O-[[(2,6-dichloro-3-hydroxy-4-methoxyphenyl)methylene]amino]-α-[(2-pyrazinylcarbonyl)amino]-5′-thymidylate

[(3R)-Tetrahydro-2,5-dihydroxy-3-furanyl]methyl hydrogen 3′-O-[[(2,6-dichloro-3-hydroxy-4-methoxyphenyl)methylene]amino]-α-[(1,3-benzodioxol-5-ylcarbonyl)amino]-5′-thymidylate

[(3R)-Tetrahydro-2,5-dihydroxy-3-furanyl]methyl hydrogen 3′-O-[[(2,6-dichloro-3-hydroxy-4-methoxyphenyl)methylene]amino]-α-[[(3,6-dichloro-4-pyridazinyl)carbonyl]amino]-5′-thymidylate

[(3R)-Tetrahydro-2,5-dihydroxy-3-furanyl]methyl hydrogen 3′-O-[[(2,6-dichloro-3-hydroxy-4-methoxyphenyl)methylene]amino]-α-[(9-anthracenylcarbonyl)amino]-5′-thymidylate

[(3R)-Tetrahydro-2,5-dihydroxy-3-furanyl]methyl hydrogen 3′-O-[[(2,6-dichloro-3-hydroxy-4-methoxyphenyl)methylene]amino]-α-[[(3-methyl-2-thienyl)carbonyl]amino]-5′-thymidylate