InChI=1/C16H30N2O2/c1-3-13-5-8-18(9-6-13)15-12-16(19-10-11-20-16)7-4-14(15)17-2/h13-15,17H,3-12H2,1-2H3/p+1/t14-,15+/m0/s1/fC16H31N2O2/h18H/q+1 52F976630A2866E2