CC(C)(OC1=C2C=C(C(=O)OC2=C(OC2=C3C=C(C(=O)OC3=C(C3=C2C=CC(C)(C)O3)C(C)(C)C=C)C(C)(C)C=C)C2=C1C=CC(C)(COC1OC(C(O)C(O)C1O)C(O)=O)O2)C(C)(C)C=C)C=C