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

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

2-O-(3-O-N-Carbamoyl-α-D-mannopyranosyl)-L-gulopyranoside

2-O-<2,4,6-tri-O-Acetyl-3-O-(N-acetylcarbamoyl)-α-D-mannopyranosyl>-L-gulopyranose

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