InChI=1S/C26H35NO3/c1-20(28)27(19-21-10-12-24(29-4)13-11-21)16-14-25(22-8-6-5-7-9-22)23-15-17-30-26(2,3)18-23/h5-13,23,25H,14-19H2,1-4H3