InChI=1/C20H21N/c1-21(2)13-12-17-15-18(14-16-8-4-3-5-9-16)20-11-7-6-10-19(17)20/h3-11,14-15H,12-13H2,1-2H3/p+1/b18-14+/fC20H22N/h21H/q+1 EBE8C69E2D2CC50C