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