InChI=1/C18H23N3/c1-2-13-12-19-11-10-17(13)18(3-1)21-16-8-6-15(7-9-16)20-14-4-5-14/h1-3,10-12,14-16,20-21H,4-9H2/p+2/fC18H25N3/h19-20H/q+2 7A5FF8A4CD54BE2B