InChI=1/C23H24N4O4/c1-27-23(24-25-26-27)20(13-12-18(28)14-19(29)15-21(30)31)22(16-8-4-2-5-9-16)17-10-6-3-7-11-17/h2-13,18-19,28-29H,14-15H2,1H3,(H,30,31)/p-1/b13-12+/t18-,19-/m1/s1/fC23H23N4O4/q-1 33D98BC6BAB8E4BB