4-Ethyl (5S)-5-[(2R,3R,4R,5R)-5-[3,4-dihydro-2,4-dioxo-3-[(phenylmethoxy)methyl]-1(2H)-pyrimidinyl]-3,4-bis[[(1,1-dimethylethyl)dimethylsilyl]oxy]tetrahydro-2-furanyl]-2-oxo-4,4-oxazolidinedicarboxylate

Methyl (4S,5S)-5-[(2R,3R,4R,5R)-5-[3,4-dihydro-2,4-dioxo-3-[(phenylmethoxy)methyl]-1(2H)-pyrimidinyl]tetrahydro-3,4-bis[(phenylmethoxy)methoxy]-2-furanyl]-3-[(4-nitrophenyl)sulfonyl]-2-oxo-4-oxazolidinecarboxylate

Methyl (4S,5S)-5-[(2R,3R,4R,5R)-5-[3,4-dihydro-2,4-dioxo-3-[(phenylmethoxy)methyl]-1(2H)-pyrimidinyl]tetrahydro-3,4-bis[(phenylmethoxy)methoxy]-2-furanyl]-2-oxo-4-oxazolidinecarboxylate

4-Ethyl (5S)-5-[(2R,3R,4R,5R)-5-[3,4-dihydro-2,4-dioxo-3-[(phenylmethoxy)methyl]-1(2H)-pyrimidinyl]tetrahydro-3,4-bis[(phenylmethoxy)methoxy]-2-furanyl]-2-oxo-4,4-oxazolidinedicarboxylate

Ethyl (4S,5S)-5-[(2R,3R,4R,5R)-5-[3,4-dihydro-2,4-dioxo-3-[(phenylmethoxy)methyl]-1(2H)-pyrimidinyl]tetrahydro-3,4-bis[(phenylmethoxy)methoxy]-2-furanyl]-2-oxo-4-oxazolidinecarboxylate

4-Ethyl (5S)-5-[(3aR,4R,6R,6aR)-6-[3,4-dihydro-2,4-dioxo-3-[(phenylmethoxy)methyl]-1(2H)-pyrimidinyl]tetrahydro-2,2-dimethylfuro[3,4-d]-1,3-dioxol-4-yl]-2-oxo-4,4-oxazolidinedicarboxylate

4,4-Diethyl (5R)-5-[(2R,3R,4R,5R)-5-[3,4-dihydro-2,4-dioxo-3-[(phenylmethoxy)methyl]-1(2H)-pyrimidinyl]tetrahydro-3,4-bis[[tris(1-methylethyl)silyl]oxy]-2-furanyl]-2-oxo-4,4-oxazolidinedicarboxylate

4,4-Diethyl (5S)-5-[(2R,3R,4R,5R)-5-[3,4-dihydro-2,4-dioxo-3-[(phenylmethoxy)methyl]-1(2H)-pyrimidinyl]tetrahydro-3,4-bis[[tris(1-methylethyl)silyl]oxy]-2-furanyl]-2-oxo-4,4-oxazolidinedicarboxylate