InChI=1/C16H20N2/c1-16(2,3)18-15-11-7-4-5-9-13(11)17-14-10-6-8-12(14)15/h4-5,7,9H,6,8,10H2,1-3H3,(H,17,18)/p+1/fC16H21N2/h17-18H/q+1 6CD1D8DA0F557A66