1,6-anhydro-3,4-di-O-benzyl-2-O-<2,4,6-tri-O-acetyl-3-O-(acetylcarbamoyl)-α-D-mannopyranosyl>-β-L-gulopyranose

1,6-anhydro-3,4-di-O-benzyl-2-O-(2,3,4,6-tetra-O-acetyl-α-D-mannopyranosyl)-β-L-gulopyranose

1,6-anhydro-3,4-di-O-benzyl-2-O-(2,4,6-tri-O-acetyl-3-O-carbamoyl-α-D-mannopyranosyl)-β-L-gulopyranose

2,3,4-tri-O-acetyl-1,6-anhydro-β-L-gulopyranose

1,6-anhydro-2-O-<2,4,6-tri-O-acetyl-3-O-(acetylcarbamoyl)-α-D-mannopyranosyl>-β-L-gulopyranose