(2R,3R,4S,5R,6R)-5-(acetyloxy)-2-[(acetyloxy)methyl]-6-{2-[3,4-bis(acetyloxy)phenyl]ethoxy}-4-{[(2S,3R,4S,5R,6R)-3,4,5-tris(acetyloxy)-6-[(acetyloxy)methyl]oxan-2-yl]oxy}oxan-3-yl (2E)-3-[3,4-bis(acetyloxy)phenyl]prop-2-enoate