InChI=1S/C19H30N2O2/c1-3-20(4-2)15-16-23-19(22)18(17-11-7-5-8-12-17)21-13-9-6-10-14-21/h5,7-8,11-12,18H,3-4,6,9-10,13-16H2,1-2H3