InChI=1/C23H22N2O3/c1-17-24-22-9-5-6-10-23(22)25(17)15-18(26)16-27-19-11-13-21(14-12-19)28-20-7-3-2-4-8-20/h2-14,18,26H,15-16H2,1H3/t18-/m0/s1 58E8F94C10EB1DF5