InChI=1/C21H30N2/c1-3-4-5-6-9-14-22-21-17-10-7-8-11-19(17)23-20-13-12-16(2)15-18(20)21/h12-13,15H,3-11,14H2,1-2H3,(H,22,23)/p+1/fC21H31N2/h22-23H/q+1 5022D9BAF4E1D9E6