InChI=1/C18H24N4O2/c1-19-18(24)12-22-8-6-14(7-9-22)21-17(23)10-13-11-20-16-5-3-2-4-15(13)16/h2-5,11,14,20H,6-10,12H2,1H3,(H,19,24)(H,21,23)/p+1/fC18H25N4O2/h19,21-22H/q+1 84D304EF10511758