InChI=1/C19H18N2/c1-2-6-18(7-3-1)19-10-8-16(9-11-19)13-21-15-17-5-4-12-20-14-17/h1-12,14,21H,13,15H2/p+1/fC19H19N2/h21H/q+1 FB617EF2D9BC97BB