[H]\C(=C(/N)\C(\CCC(O)=O)=C(/C)C(O)=O)C1=C(CCC(=O)OC2OC(C(O)C(O)C2O)C(O)=O)C(C)=C(N1)C(\[H])=C1/N=C(O)C(C)=C1C=C