InChI=1S/C26H27NO/c1-3-5-10-17-27-18-24(22-13-8-9-14-25(22)27)26(28)23-16-15-19(4-2)20-11-6-7-12-21(20)23/h6-9,11-16,18H,3-5,10,17H2,1-2H3