InChI=1/C28H26N4O4/c29-27(34)20-10-11-24(30-16-20)32-14-12-19(13-15-32)28(35)36-17-23(33)25-21-8-4-5-9-22(21)31-26(25)18-6-2-1-3-7-18/h1-11,16,19,26H,12-15,17H2,(H2,29,34)/p+1/t26-/m0/s1/fC28H27N4O4/h31H,29H2/q+1 4B3C952F8F52E459