InChI=1/C26H24N4O4/c1-26(19-9-8-17-5-2-3-6-18(17)15-19)24(33)30(25(34)28-26)16-22(31)27-20-10-12-21(13-11-20)29-14-4-7-23(29)32/h2-3,5-6,8-13,15H,4,7,14,16H2,1H3,(H,27,31)(H,28,34)/t26-/m0/s1/f/h27-28H B61EA1C494241CD7