(5'R)-N4-benzoyl-1-[5'-O-(4,4'-dimethoxytriphenyl)methyl-2'-deoxy-3'-C,5'-C-[(5'-C,6'-C-methano)ethano]-β-D-ribofuranosyl]cytosine

(3'S,5'R,6'R)-1-{2'-deoxy-5'-O-(4,4'-dimethoxytrityl)-3',5'-ethano-5',6'-methano-α-D-ribofuranosyl}thymine

Succinic acid mono-[(2S,3aS,6R,6aR)-6-[bis-(4-methoxy-phenyl)-phenyl-methoxy]-2-(5-methyl-2,4-dioxo-3,4-dihydro-2H-pyrimidin-1-yl)-hexahydro-cyclopenta[b]furan-3a-yl] ester

1-((2R,3R,4S,5R)-4-(benzyloxy)-5-((bis(4-methoxyphenyl)(phenyl)methoxy)methyl)-5-(2-((tert-butyldimethylsilyl)oxy)ethoxy)-3-hydroxytetrahydrofuran-2-yl)-3-((benzyloxy)methyl)-5-methylpyrimidine-2,4(1H,3H)-dione

2-(((2R,3S,4R,5R)-3-(benzyloxy)-5-(3-((benzyloxy)methyl)-5-methyl-2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)-2-((bis(4-methoxyphenyl)(phenyl)methoxy)methyl)-4-hydroxytetrahydrofuran-2-yl)oxy)ethyl 4-methylbenzenesulfonate