InChI=1/C19H21N/c1-2-11-20-12-10-14-7-5-9-17-16-8-4-3-6-15(16)13-18(20)19(14)17/h3-9,18H,2,10-13H2,1H3/t18-/m0/s1 E7F71D75C74CDA85