COC(=O)C1(C)C(CCC2(C)C1CCC1(C)C2CC=C2C3CC(C)(C)C(OC(=O)C(\C)=C/C)C(OC(=O)C(\C)=C/C)C3(CO)C(O)C(O)C12C)OC1OC(C(O)C(OC2OCC(O)C(O)C2O)C1O)C(O)=O