1-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-3-O-[[bis(1-methylethyl)amino](2-cyanoethoxy)phosphino]-2-O-(2-methoxyethyl)-6-O-methyl-β-D-allofuranosyl]-5-methyl-2,4(1H,3H)-pyrimidinedione

1-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-6-deoxy-2-O-(2-methoxyethyl)-6-[(2,2,2-trifluoroacetyl)amino]-β-D-allofuranosyl]-5-methyl-2,4(1H,3H)-pyrimidinedione

1-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-6-deoxy-6-fluoro-2-O-(2-methoxyethyl)-β-D-allofuranosyl]-5-methyl-2,4(1H,3H)-pyrimidinedione

1-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-2-O-(2-methoxyethyl)-6-O-methyl-β-D-allofuranosyl]-5-methyl-2,4(1H,3H)-pyrimidinedione

1-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-6-deoxy-3-O-[(1,1-dimethylethyl)dimethylsilyl]-2-O-(2-methoxyethyl)-6-[(2,2,2-trifluoroacetyl)amino]-β-D-allofuranosyl]-5-methyl-2,4(1H,3H)-pyrimidinedione

1-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-6-deoxy-3-O-[(1,1-dimethylethyl)dimethylsilyl]-6-fluoro-2-O-(2-methoxyethyl)-β-D-allofuranosyl]-5-methyl-2,4(1H,3H)-pyrimidinedione

1-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-3-O-[(1,1-dimethylethyl)dimethylsilyl]-2-O-(2-methoxyethyl)-6-O-methyl-β-D-allofuranosyl]-5-methyl-2,4(1H,3H)-pyrimidinedione

1-[6-Deoxy-3-O-[(1,1-dimethylethyl)dimethylsilyl]-2-O-(2-methoxyethyl)-6-[(2,2,2-trifluoroacetyl)amino]-β-D-allofuranosyl]-5-methyl-3-[(phenylmethoxy)methyl]-2,4(1H,3H)-pyrimidinedione

1-[3-O-[(1,1-Dimethylethyl)dimethylsilyl]-2-O-(2-methoxyethyl)-6-O-methyl-β-D-allofuranosyl]-5-methyl-2,4(1H,3H)-pyrimidinedione

1-[6-Deoxy-3-O-[(1,1-dimethylethyl)dimethylsilyl]-2-O-(2-methoxyethyl)-5-O-(phenylmethyl)-6-[(2,2,2-trifluoroacetyl)amino]-β-D-allofuranosyl]-5-methyl-3-[(phenylmethoxy)methyl]-2,4(1H,3H)-pyrimidinedione

1-[6-Deoxy-3-O-[(1,1-dimethylethyl)dimethylsilyl]-6-fluoro-2-O-(2-methoxyethyl)-5-O-(phenylmethyl)-β-D-allofuranosyl]-5-methyl-3-[(phenylmethoxy)methyl]-2,4(1H,3H)-pyrimidinedione

1-[3-O-[(1,1-Dimethylethyl)dimethylsilyl]-2-O-(2-methoxyethyl)-6-O-methyl-5-O-(phenylmethyl)-β-D-allofuranosyl]-5-methyl-3-[(phenylmethoxy)methyl]-2,4(1H,3H)-pyrimidinedione

1-[6-Deoxy-2-O-(2-methoxyethyl)-5-O-(phenylmethyl)-6-[(2,2,2-trifluoroacetyl)amino]-β-D-allofuranosyl]-5-methyl-3-[(phenylmethoxy)methyl]-2,4(1H,3H)-pyrimidinedione

1-[6-Deoxy-6-fluoro-2-O-(2-methoxyethyl)-5-O-(phenylmethyl)-β-D-allofuranosyl]-5-methyl-3-[(phenylmethoxy)methyl]-2,4(1H,3H)-pyrimidinedione

1-[2-O-(2-Methoxyethyl)-6-O-methyl-5-O-(phenylmethyl)-β-D-allofuranosyl]-5-methyl-3-[(phenylmethoxy)methyl]-2,4(1H,3H)-pyrimidinedione

1-[6-Deoxy-2-O-(2-methoxyethyl)-3-O-(2-naphthalenylmethyl)-5-O-(phenylmethyl)-6-[(2,2,2-trifluoroacetyl)amino]-β-D-allofuranosyl]-5-methyl-3-[(phenylmethoxy)methyl]-2,4(1H,3H)-pyrimidinedione

1-[6-Deoxy-6-fluoro-2-O-(2-methoxyethyl)-3-O-(2-naphthalenylmethyl)-5-O-(phenylmethyl)-β-D-allofuranosyl]-5-methyl-3-[(phenylmethoxy)methyl]-2,4(1H,3H)-pyrimidinedione

1-[2-O-(2-Methoxyethyl)-6-O-methyl-3-O-(2-naphthalenylmethyl)-5-O-(phenylmethyl)-β-D-allofuranosyl]-5-methyl-3-[(phenylmethoxy)methyl]-2,4(1H,3H)-pyrimidinedione

1-[2-O-Acetyl-6-O-[(1,1-dimethylethyl)diphenylsilyl]-3-O-(2-naphthalenylmethyl)-5-O-(phenylmethyl)-β-D-allofuranosyl]-5-methyl-3-[(phenylmethoxy)methyl]-2,4(1H,3H)-pyrimidinedione

1-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-6-deoxy-3-O-[(1,1-dimethylethyl)dimethylsilyl]-2-O-(2-methoxyethyl)-α-L-talofuranosyl]-5-methyl-2,4(1H,3H)-pyrimidinedione