InChI=1S/C23H31N3O3/c1-3-28-23(27)20-8-10-21(11-9-20)29-17-5-4-6-19-13-15-26(16-14-19)22-12-7-18(2)24-25-22/h7-12,19H,3-6,13-17H2,1-2H3