InChI=1/C18H36N2O/c1-17(2,3)16-5-9-18(14-19,10-6-16)20-11-7-15(8-12-20)13-21-4/h15-16H,5-14,19H2,1-4H3/p+2/fC18H38N2O/h19-20H/q+2 A222F9797F835C72