InChI=1S/C26H31N3O3/c1-2-31-26(30)24(19-7-9-22(10-8-19)32-23-11-12-29-16-23)14-17-3-4-18-5-6-20(25(27)28)15-21(18)13-17/h3-10,13,15,23-25,29H,2,11-12,14,16,27-28H2,1H3