CC(C)=CCC1=C(OC2=C(\C=C\C3(C)CC(C=C(C)C3)C3=C4OC(=C(CC=C(C)C)C(=O)C4=C(O)C=C3O)C3=C(O)C=C(O)C=C3)C(O)=CC(O)=C2C1=O)C1=C(O)C=C(O)C=C1