InChI=1/C21H21N/c1-22(2)21(18-12-6-3-7-13-18,19-14-8-4-9-15-19)20-16-10-5-11-17-20/h3-17H,1-2H3/p+1/fC21H22N/h22H/q+1 C6962509AFAED609