InChI=1/C16H26N2O2/c1-4-18(14-10-6-5-7-11-14)13-9-8-12-16(2,17)15(19)20-3/h5-7,10-11H,4,8-9,12-13,17H2,1-3H3/t16-/m0/s1 FD8808535D12B950