InChI=1/C16H30N2O2/c1-18(10-15-4-2-3-9-20-15)11-16(12-19,13-5-6-13)17-14-7-8-14/h13-15,17,19H,2-12H2,1H3/p+2/t15-,16+/m0/s1/fC16H32N2O2/h17-18H/q+2 39D6E1F693F20BD2