InChI=1/C20H20N4O4/c1-12(19-13(2)23-28-14(19)3)21-20(25)15-9-10-17(18(11-15)24(26)27)22-16-7-5-4-6-8-16/h4-12,22H,1-3H3,(H,21,25)/t12-/m0/s1/f/h21H	736EA7C8FD8A88FA