InChI=1/C20H18N2O4/c1-3-26-16-10-8-15(9-11-16)22-19(24)17(18(23)21-20(22)25)12-14-6-4-13(2)5-7-14/h4-12H,3H2,1-2H3,(H,21,23,25)/p-1/b17-12-/fC20H17N2O4/q-1	26B7441C80537FF2