InChI=1/C21H22N/c1-15-18-9-8-16-6-2-3-7-19(16)20(18)12-17-13-22(14-21(15)17)10-4-5-11-22/h2-3,6-9,12H,4-5,10-11,13-14H2,1H3/q+1 CAD7D254ECA585AF