COC1C=C2C(CCC(OC3OCC(O)C(O)C3O)C2(C)C)C2(C)CCC3(C)C(C(C)CCC=C(C)C)C(CC3(C)C12)OC1OC(COC(C)=O)C(OC(C)=O)C(O)C1O