InChI=1/C20H22N3/c1-2-5-16(6-3-1)17-8-12-23(13-9-17)14-10-18-15-22-20-19(18)7-4-11-21-20/h1-7,11-12,15,17H,8-10,13-14H2,(H,21,22)/q+1/t17-/m1/s1/f/h22H 370B919F16E62440