InChI=1/C18H30N2O2/c1-5-15-9-11-16(12-10-15)17(20(3)4)14-19-18(21)8-7-13-22-6-2/h9-12,17H,5-8,13-14H2,1-4H3,(H,19,21)/t17-/m0/s1/f/h19H B7ACC4FFCAC7734C