InChI=1/C25H22N2O3/c28-16-12-13-20(22(29)14-16)23-18-9-4-8-17(18)19-10-5-11-21(24(19)27-23)25(30)26-15-6-2-1-3-7-15/h1-8,10-14,17-18,23,27-29H,9H2,(H,26,30)/t17-,18+,23+/m0/s1/f/h26H 6667D40A7B9F9AE4