InChI=1S/C25H25NO/c1-3-4-9-16-26-17-23(21-12-7-8-13-24(21)26)25(27)22-15-14-18(2)19-10-5-6-11-20(19)22/h5-8,10-15,17H,3-4,9,16H2,1-2H3