InChI=1/C19H23N2/c1-16-15-19(21-13-5-6-14-21)11-9-17(16)8-10-18-7-3-4-12-20(18)2/h3-4,7-12,15H,5-6,13-14H2,1-2H3/q+1 B15AACA8CBFBBF51