InChI=1/C15H18N4O/c1-15(2,3)12-10(8-16-19-12)13-17-11-7-5-4-6-9(11)14(20)18-13/h4-8,13,17H,1-3H3,(H,16,19)(H,18,20)/t13-/m0/s1/f/h16,18H DEAE09015F09E47B