CC(=O)OC1C(O)COC(OC2CCC3(C)C(C(CC4C5(C)CC(O)C(C6(C)CCC(O6)C(C)(C)O)C5(C)CCC34C)OC3OCC(O)C(O)C3O)C2(C)C)C1OC(C)=O