InChI=1/C26H25NO4/c1-27(16-18-8-5-4-6-9-18)17-19-10-7-11-20(12-19)22-13-21-14-24(29-2)25(30-3)15-23(21)31-26(22)28/h4-15H,16-17H2,1-3H3 9739249517998F34