InChI=1/C20H20N4O4/c1-12(25)21-14-7-9-15(10-8-14)22-19(27)11-18-20(28)23-16-5-3-4-6-17(16)24(18)13(2)26/h3-10,18H,11H2,1-2H3,(H,21,25)(H,22,27)(H,23,28)/t18-/m1/s1/f/h21-23H	41D67C4A9B4C963E