InChI=1/C18H24N2O/c1-13-6-5-8-16(10-13)20(2)18-15(12-21)11-14-7-3-4-9-17(14)19-18/h3-4,7,9,11,13,16,21H,5-6,8,10,12H2,1-2H3/t13-,16+/m0/s1 9F4866F8A470C896