InChI=1/C16H20N2/c1-3-17-16(18-4-2)12-13-9-10-14-7-5-6-8-15(14)11-13/h5-11H,3-4,12H2,1-2H3,(H,17,18)/p+1/fC16H21N2/h17-18H/q+1 86F3B0E9CE3BF734