InChI=1/C20H22N2/c1-21-10-12-22(13-11-21)20-15-17-7-3-2-6-16(17)14-18-8-4-5-9-19(18)20/h2-9,15H,10-14H2,1H3/p+1/fC20H23N2/h21H/q+1 67F4AE9C1C19C282