InChI=1/C26H26N4O4/c1-17-4-3-5-20(14-17)25(32)28-21-15-23(26(33)34)24(27-16-21)30-12-10-29(11-13-30)22-8-6-19(7-9-22)18(2)31/h3-9,14-16H,10-13H2,1-2H3,(H,28,32)(H,33,34)/p-1/fC26H25N4O4/h28H/q-1 2D38E948B7B66C59