InChI=1/C20H16N2O4/c23-19-12-22(17-9-5-4-8-16(17)21-19)20(24)18-11-10-15(26-18)13-25-14-6-2-1-3-7-14/h1-11H,12-13H2,(H,21,23)/f/h21H	669614B6627A98AE