InChI=1/C16H26N2O2/c1-11(2)10-14(16(19)17-4)18-12(3)13-8-6-7-9-15(13)20-5/h6-9,11-12,14,18H,10H2,1-5H3,(H,17,19)/t12-,14+/m1/s1/f/h17H 30BB5F0909C086F0