1,3,4,6-tetra-O-benzyl-2-O-(2,4,6-tri-O-acetyl-3-O-carbamoyl-α-D-mannopyranosyl)-β-L-gulopyranoside

1,2,4,6-tetra-O-acetyl-α-D-mannopyranose

1,2,4,6-tetra-O-acetyl-3-O-((p-nitrophenyl)carbamoyl)-α-D-mannopyranose

2,4,6-tetra-O-acetyl-3-O-carbamoyl-α-D-mannopyranose