Ethyl 3-[4-(2-methoxyphenyl)piperazin-1-yl]sulfonyl-5-methylpyrazolidine-4-carboxylate

N'-[9-[(2R,4S,5R)-5-[[bis(4-methoxyphenyl)-phenyl-methoxy]methyl]-4-[2-cyanoethoxy-(diisopropylamino)phosphanyl]oxy-tetrahydrofuran-2-yl]purin-6-yl]-N,N-dimethyl-acetamidine

N'-[9-[(2R,3S,4R,5R)-5-[[bis(4-methoxyphenyl)-phenyl-methoxy]methyl]-4-[2-cyanoethoxy-(diisopropylamino)phosphanyl]oxy-3-fluoro-tetrahydrofuran-2-yl]-6-oxo-3H-purin-2-yl]-N,N-dimethyl-formamidine

N-[1-[(2R,4S,5R)-4-[bis(4-methoxyphenyl)-phenyl-methoxy]-5-[[2-cyanoethoxy-(diisopropylamino)phosphanyl]oxymethyl]tetrahydrofuran-2-yl]-5-methyl-2-oxo-pyrimidin-4-yl]benzamide

N-[9-[(1S,3R,4R,7S)-1-[[bis(4-methoxyphenyl)-phenyl-methoxy]methyl]-7-[2-cyanoethoxy-(diisopropylamino)phosphanyl]oxy-2,5-dioxabicyclo[2.2.1]heptan-3-yl]-6-oxo-3H-purin-2-yl]-2-methyl-propanamide

N-[9-[(2R,3R,4R,5R)-4-[bis(4-methoxyphenyl)-phenyl-methoxy]-5-[[2-cyanoethoxy-(diisopropylamino)phosphanyl]oxymethyl]-3-methoxy-tetrahydrofuran-2-yl]-6-oxo-1H-purin-2-yl]-2-methyl-propanamide

1-[(2R,3R,4R,5R)-4-[bis(4-methoxyphenyl)-phenyl-methoxy]-5-[[bis(4-methoxyphenyl)-phenyl-methoxy]methyl]-3-ethynoxy-tetrahydrofuran-2-yl]pyrimidine-2,4-dione

N-[9-[(2R,3R,4R,5R)-4-[bis(4-methoxyphenyl)-phenyl-methoxy]-5-[[2-cyanoethoxy-(diisopropylamino)phosphanyl]oxymethyl]-3-fluoro-tetrahydrofuran-2-yl]purin-6-yl]benzamide

N-[9-[(2R,3R,4R,5R)-4-[bis(4-methoxyphenyl)-phenyl-methoxy]-5-[[2-cyanoethoxy-(diisopropylamino)phosphanyl]oxymethyl]-3-methoxy-tetrahydrofuran-2-yl]purin-6-yl]benzamide

N-benzyl-1-[(2R,3R,4R,5R)-5-[[bis(4-methoxyphenyl)-phenyl-methoxy]methyl]-4-[2-cyanoethoxy-(diisopropylamino)phosphanyl]oxy-3-methoxy-tetrahydrofuran-2-yl]-2,4-dioxo-pyrimidine-5-carboxamide

N-[3-[1-[(2R,4S,5R)-5-[[bis(4-methoxyphenyl)-phenyl-methoxy]methyl]-4-[2-cyanoethoxy-(diisopropylamino)phosphanyl]oxy-tetrahydrofuran-2-yl]-2,4-dioxo-pyrimidin-5-yl]allyl]-2-(1H-indol-3-yl)acetamide