InChI=1/C20H25N/c1-3-21(4-2)18-14-17-12-8-9-13-19(17)20(15-18)16-10-6-5-7-11-16/h5-13,18,20H,3-4,14-15H2,1-2H3/p+1/t18-,20-/m1/s1/fC20H26N/h21H/q+1 A68E11793BC8152A