InChI=1/C26H24N2O3/c1-15(29)31-17-8-6-16(7-9-17)23-24-18-5-4-12-27-19(18)10-11-20(24)28-21-13-26(2,3)14-22(30)25(21)23/h4-12,23,28H,13-14H2,1-3H3/t23-/m0/s1 33984A0F31A21194