InChI=1/C23H24N2O3/c1-15-22-17(13-25(14-27-22)18-5-3-2-4-6-18)12-19-21(26)20(28-23(15)19)11-16-7-9-24-10-8-16/h7-12,18H,2-6,13-14H2,1H3/b20-11- FE350986C0851CC5