InChI=1/C20H19N/c1-21-20(17-11-5-2-6-12-17,18-13-7-3-8-14-18)19-15-9-4-10-16-19/h2-16,21H,1H3/p+1/fC20H20N/h21H/q+1 A4D6A00ADCFBEC62