InChI=1/C26H30N4O4/c1-3-34-25(32)22-21(28-26(33)29-23(22)18-7-5-4-6-8-18)16-30(20-13-14-20)15-17-9-11-19(12-10-17)24(31)27-2/h4-12,20,23H,3,13-16H2,1-2H3,(H,27,31)(H2,28,29,33)/t23-/m0/s1/f/h27-29H C5CD501334DCC1FA