InChI=1S/C23H32N2O3/c1-27-22(19-9-5-3-6-10-19)18-25-15-13-24(14-16-25)17-21(26)23(28-2)20-11-7-4-8-12-20/h3-12,21-23,26H,13-18H2,1-2H3