1-[(1R,3R,4R,7S)-1-[[Bis(4-methoxyphenyl)phenylmethoxy]methyl]-7-hydroxy-5-(2-pyrimidinyl)-2-oxa-5-azabicyclo[2.2.1]hept-3-yl]-5-methyl-2,4(1H,3H)-pyrimidinedione

(1R,3R,4R,7S)-3-[4-(Benzoylamino)-5-methyl-2-oxo-1(2H)-pyrimidinyl]-1-[[bis(4-methoxyphenyl)phenylmethoxy]methyl]-7-hydroxy-N,N-dimethyl-2-oxa-5-azabicyclo[2.2.1]heptane-5-carboxamide

(1R,3R,4R,7S)-1-[[Bis(4-methoxyphenyl)phenylmethoxy]methyl]-3-(3,4-dihydro-5-methyl-2,4-dioxo-1(2H)-pyrimidinyl)-7-hydroxy-N,N-dimethyl-2-oxa-5-azabicyclo[2.2.1]heptane-5-carboxamide

(1R,3R,4R,7S)-3-[6-(Benzoylamino)-9H-purin-9-yl]-1-[[bis(4-methoxyphenyl)phenylmethoxy]methyl]-N-(1-methylethyl)-7-[(trimethylsilyl)oxy]-2-oxa-5-azabicyclo[2.2.1]heptane-5-carboxamide

(1R,3R,4R,7S)-3-[6-(Benzoylamino)-9H-purin-9-yl]-1-[[bis(4-methoxyphenyl)phenylmethoxy]methyl]-7-hydroxy-N-(1-methylethyl)-2-oxa-5-azabicyclo[2.2.1]heptane-5-carboxamide

(1R,3R,4R,7S)-3-[4-(Benzoylamino)-5-methyl-2-oxo-1(2H)-pyrimidinyl]-1-[[bis(4-methoxyphenyl)phenylmethoxy]methyl]-7-hydroxy-N-(1-methylethyl)-2-oxa-5-azabicyclo[2.2.1]heptane-5-carboxamide

(1R,3R,4R,7S)-1-[[Bis(4-methoxyphenyl)phenylmethoxy]methyl]-3-(3,4-dihydro-5-methyl-2,4-dioxo-1(2H)-pyrimidinyl)-7-hydroxy-N-(1-methylethyl)-2-oxa-5-azabicyclo[2.2.1]heptane-5-carboxamide

(1R,3R,4R,7S)-3-[6-(Benzoylamino)-9H-purin-9-yl]-1-[[bis(4-methoxyphenyl)phenylmethoxy]methyl]-7-hydroxy-N-methyl-2-oxa-5-azabicyclo[2.2.1]heptane-5-carboxamide

(1R,3R,4R,7S)-3-[6-(Benzoylamino)-9H-purin-9-yl]-1-[[bis(4-methoxyphenyl)phenylmethoxy]methyl]-N-methyl-7-[(trimethylsilyl)oxy]-2-oxa-5-azabicyclo[2.2.1]heptane-5-carboxamide

(1R,3R,4R,7S)-3-[4-(Benzoylamino)-5-methyl-2-oxo-1(2H)-pyrimidinyl]-1-[[bis(4-methoxyphenyl)phenylmethoxy]methyl]-7-hydroxy-N-methyl-2-oxa-5-azabicyclo[2.2.1]heptane-5-carboxamide

(1R,3R,4R,7S)-3-(4-Amino-5-methyl-2-oxo-1(2H)-pyrimidinyl)-1-[[bis(4-methoxyphenyl)phenylmethoxy]methyl]-7-hydroxy-N-methyl-2-oxa-5-azabicyclo[2.2.1]heptane-5-carboxamide

(1R,3R,4R,7S)-1-[[Bis(4-methoxyphenyl)phenylmethoxy]methyl]-3-(3,4-dihydro-5-methyl-2,4-dioxo-1(2H)-pyrimidinyl)-7-hydroxy-N-methyl-2-oxa-5-azabicyclo[2.2.1]heptane-5-carboxamide

N-[1-[(1R,3R,4R,7S)-1-[[Bis(4-methoxyphenyl)phenylmethoxy]methyl]-7-hydroxy-5-(phenylsulfonyl)-2-oxa-5-azabicyclo[2.2.1]hept-3-yl]-1,2-dihydro-5-methyl-2-oxo-4-pyrimidinyl]benzamide

N-[1-[(1R,3R,4R,7S)-1-[[Bis(4-methoxyphenyl)phenylmethoxy]methyl]-5-(phenylsulfonyl)-7-[(trimethylsilyl)oxy]-2-oxa-5-azabicyclo[2.2.1]hept-3-yl]-1,2-dihydro-5-methyl-2-oxo-4-pyrimidinyl]benzamide

1-[(1R,3R,4R,7S)-1-[[Bis(4-methoxyphenyl)phenylmethoxy]methyl]-7-hydroxy-5-(phenylsulfonyl)-2-oxa-5-azabicyclo[2.2.1]hept-3-yl]-5-methyl-2,4(1H,3H)-pyrimidinedione

1-[(1R,3R,4R,7S)-1-[[Bis(4-methoxyphenyl)phenylmethoxy]methyl]-5-(phenylsulfonyl)-7-[(trimethylsilyl)oxy]-2-oxa-5-azabicyclo[2.2.1]hept-3-yl]-5-methyl-2,4(1H,3H)-pyrimidinedione

N-[9-[(1R,3R,4R,7S)-1-[[Bis(4-methoxyphenyl)phenylmethoxy]methyl]-5-(methylsulfonyl)-7-[(trimethylsilyl)oxy]-2-oxa-5-azabicyclo[2.2.1]hept-3-yl]-9H-purin-6-yl]benzamide