InChI=1S/C22H30N2O/c1-3-23(4-2)13-8-14-24(20-9-6-5-7-10-20)21-15-18-11-12-22(25)17-19(18)16-21/h5-7,9-12,17,21,25H,3-4,8,13-16H2,1-2H3