InChI=1/C26H24N2O4/c1-32-26(31)18-13-15-19(16-14-18)27-24(29)21-10-4-5-11-22(21)25(30)28-23-12-6-8-17-7-2-3-9-20(17)23/h2-9,12-16,21-22H,10-11H2,1H3,(H,27,29)(H,28,30)/t21-,22-/m1/s1/f/h27-28H B9699B79B2CBBEE5