InChI=1/C21H23N/c1-3-10-19(11-4-1)12-9-17-22-18-21(15-7-8-16-21)20-13-5-2-6-14-20/h1-6,9-14,17H,7-8,15-16,18H2/p+1/b12-9+,22-17-/fC21H24N/h22H/q+1 5640C0E7DF39F15F