InChI=1/C16H30N2O2/c1-3-4-10-20-11-9-17-15(19)12-18(2)16(13-5-6-13)14-7-8-14/h13-14,16H,3-12H2,1-2H3,(H,17,19)/p+1/fC16H31N2O2/h17-18H/q+1 2F73F0BD48AB227B