InChI=1/C19H20N2/c1-2-5-12-8-13-10-14(9-12)18-17(11-13)21-16-7-4-3-6-15(16)19(18)20/h2-4,6-8,13-14H,1,5,9-11H2,(H2,20,21)/p+1/t13-,14+/m1/s1/fC19H21N2/h21H,20H2/q+1 970FC20A8AB3D296