InChI=1/C26H28N2O2/c1-3-18-13-15-19(16-14-18)22-17-23(20-9-5-7-11-24(20)29)28-26(27-22)21-10-6-8-12-25(21)30-4-2/h5-16,23,26,28-29H,3-4,17H2,1-2H3/t23-,26-/m0/s1 CA7BF3C57797E25D