InChI=1/C23H26N2O3/c1-28-19-7-8-20-21(15-19)23(27)25(22(20)26)14-11-17-9-12-24(13-10-17)16-18-5-3-2-4-6-18/h2-8,15,17H,9-14,16H2,1H3/p+1/fC23H27N2O3/h24H/q+1 D486897E75391712