InChI=1/C18H18N2/c1-14-6-8-15(9-7-14)12-16-4-3-11-20-18(16)17-5-2-10-19-13-17/h2,5-10,12-13H,3-4,11H2,1H3/p+1/b16-12+/fC18H19N2/h20H/q+1 E1246F459E68EFF2