InChI=1/C20H20N4O4/c1-13(22-15-7-8-17-18(11-15)28-10-4-9-27-17)19(25)24-20(26)23-16-6-3-2-5-14(16)12-21/h2-3,5-8,11,13,22H,4,9-10H2,1H3,(H2,23,24,25,26)/t13-/m1/s1/f/h23-24H	873AB2E897993D35