InChI=1/C21H23N3/c1-14(2)20-15(13-24(3)23-20)12-22-21-18-10-6-4-8-16(18)17-9-5-7-11-19(17)21/h4-11,13-14,21-22H,12H2,1-3H3/p+1/fC21H24N3/h22H/q+1 178C2D652C1C53D3