InChI=1S/C33H30N8O4/c1-4-5-17-39-27-28(37(3)33(45)40(31(27)44)19-26-34-20(2)22-12-8-9-15-25(22)35-26)36-32(39)38-16-10-11-21(18-38)41-29(42)23-13-6-7-14-24(23)30(41)43/h6-9,12-15,21H,10-11,16-19H2,1-3H3/t21-/m1/s1