[H]C(COC(=O)CCCCCCC1C(CCC(CCCCC)OC2OC(C(O)C(O)C2O)C(O)=O)C(O)CC1=O)=C(C)C([H])=C([H])C([H])=C(C)C(\[H])=C(/[H])C1=C(C)CCCC1(C)C