InChI=1S/C25H32N2O/c1-3-11-22-20-26(18-16-21-12-7-5-8-13-21)19-17-24(22)27(25(28)4-2)23-14-9-6-10-15-23/h3,5-10,12-15,22,24H,1,4,11,16-20H2,2H3/t22-,24+/m0/s1