InChI=1/C18H30N2O/c1-2-19-15-18(10-6-7-11-18)16-20(12-13-21)14-17-8-4-3-5-9-17/h3-5,8-9,19,21H,2,6-7,10-16H2,1H3/p+1/fC18H31N2O/h19H/q+1 056498E8E3F2E8F9