O-Benzoyl side-chain conformations in 2,3,4,6-tetra-O-benzoyl-β-D-galactopyranosyl-(1→4)-1,2,6-tri-O-benzoyl-β-D-glucopyranose (ethyl acetate solvate) and 1,2,4,6-tetra-O-benzoyl-β-D-glucopyranose (acetone solvate).