InChI=1/C26H24N2O4/c1-3-16-32-20-13-11-19(12-14-20)24(29)22-23(18-9-7-17(2)8-10-18)28(26(31)25(22)30)21-6-4-5-15-27-21/h4-15,23,30H,3,16H2,1-2H3/p-1/t23-/m1/s1/fC26H23N2O4/h30h/q-1 114985D02961C088