InChI=1S/C23H27NO2/c1-15-14-18-16-8-5-6-9-19(16)24-20(18)17-10-13-23(4,26-21(15)17)12-7-11-22(2,3)25/h5-6,8-10,13-14,24-25H,7,11-12H2,1-4H3