O1C(C=CC)C(C)C(CC1(O)C(C)C(O)C(C)C2OC(=O)C(OC)=CC(C)=CC(C)C(O)C(C)C(O)C(C)CC(C)=CC=CC2OC)OC3CC(O)C(O)C(C)O3