InChI=1/C20H20N4O4/c21-18(25)13-7-5-12(6-8-13)10-23-20(28)24-17(19(26)27)9-14-11-22-16-4-2-1-3-15(14)16/h1-8,17H,9-11H2,(H2,21,25)(H,26,27)(H2,23,24,28)/t17-/m1/s1/f/h22-24H,21H2	4D62885A9D7EA504