InChI=1/C20H20N4O4/c1-4-10-24-19(26)17-18(23(11-12-25)20(24)27)21-16(22(17)2)9-8-14-6-5-7-15(13-14)28-3/h1,5-9,13,25H,10-12H2,2-3H3/b9-8+	F96524375CF7CB11