InChI=1/C15H18N4O/c16-15(17)12-9-14(19(7-8-20)10-5-6-10)18-13-4-2-1-3-11(12)13/h1-4,9-10,20H,5-8H2,(H3,16,17)/p+2/fC15H20N4O/h18H,16-17H2/q+2 B4C746AD2B5CC26F