InChI=1S/C27H31NO3/c1-20(2)31-23-15-13-22(14-16-23)25(24-11-7-8-12-26(24)30-3)19-27(29)28-18-17-21-9-5-4-6-10-21/h4-16,20,25H,17-19H2,1-3H3,(H,28,29)