[H]\C(=C(\[H])C(O)=NC1=C(O)CCC1=O)C(=O)OC1CC(O)(OC(C(C)C)C1C)C(C)C(O)C(C)C1OC(=O)\C(OC)=C(/[H])\C(\C)=C([H])\C(C)C(O)C(C)C\C(C)=C(/[H])\C(\[H])=C([H])\C1OC