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

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

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

4-Amino-1-[(1R,3R,4R,7S)-1-[[bis(4-methoxyphenyl)phenylmethoxy]methyl]-7-hydroxy-5-(2-pyrazinyl)-2-oxa-5-azabicyclo[2.2.1]hept-3-yl]-5-methyl-2(1H)-pyrimidinone

1-[(1R,3R,4R,7S)-7-(Acetyloxy)-1-[[bis(4-methoxyphenyl)phenylmethoxy]methyl]-5-(2-pyrazinyl)-2-oxa-5-azabicyclo[2.2.1]hept-3-yl]-5-methyl-4-(1H-1,2,4-triazol-1-yl)-2(1H)-pyrimidinone

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

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

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

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

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

N-[1-[(1R,3R,4R,7S)-1-[[Bis(4-methoxyphenyl)phenylmethoxy]methyl]-5-[6-(dimethylamino)-4-pyrimidinyl]-7-hydroxy-2-oxa-5-azabicyclo[2.2.1]hept-3-yl]-1,2-dihydro-5-methyl-2-oxo-4-pyrimidinyl]benzamide

4-Amino-1-[(1R,3R,4R,7S)-1-[[bis(4-methoxyphenyl)phenylmethoxy]methyl]-5-[6-(dimethylamino)-4-pyrimidinyl]-7-hydroxy-2-oxa-5-azabicyclo[2.2.1]hept-3-yl]-5-methyl-2(1H)-pyrimidinone

4-Amino-1-[(1R,3R,4R,7S)-1-[[bis(4-methoxyphenyl)phenylmethoxy]methyl]-5-(6-chloro-4-pyrimidinyl)-7-hydroxy-2-oxa-5-azabicyclo[2.2.1]hept-3-yl]-5-methyl-2(1H)-pyrimidinone

1-[(1R,3R,4R,7S)-1-[[Bis(4-methoxyphenyl)phenylmethoxy]methyl]-5-[6-(dimethylamino)-4-pyrimidinyl]-7-hydroxy-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-(6-chloro-4-pyrimidinyl)-7-hydroxy-2-oxa-5-azabicyclo[2.2.1]hept-3-yl]-5-methyl-2,4(1H,3H)-pyrimidinedione

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

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