InChI=1/C21H26N2/c1-2-13-22-20-10-6-9-17-18-14-16(15-7-4-3-5-8-15)11-12-19(18)23-21(17)20/h2,11-12,14-15,21H,1,3-10,13H2/p+1/t21-/m1/s1/fC21H27N2/h23H/q+1 9920804D188E04B3