InChI=1/C20H20N2O6/c1-14-5-3-4-6-17(14)26-10-9-21(2)20(23)8-7-15-11-18-19(28-13-27-18)12-16(15)22(24)25/h3-8,11-12H,9-10,13H2,1-2H3/b8-7+	7DD2AE0D6EBC2053