InChI=1/C31H26N2O5/c1-20-16-24(11-14-26(20)38-19-21-6-3-2-4-7-21)29(35)27-28(23-9-12-25(34)13-10-23)33(31(37)30(27)36)18-22-8-5-15-32-17-22/h2-17,28,34,36H,18-19H2,1H3/p-1/t28-/m0/s1/fC31H25N2O5/h36h/q-1 79C5C5F5E8A26CE3