InChI=1/C19H18N8O2/c1-27-11-14(24-19(28)23-13-4-2-3-12(7-13)9-20)8-16(27)18-25-17(26-29-18)15-10-21-5-6-22-15/h2-7,10,14,16H,8,11H2,1H3,(H2,23,24,28)/p+1/t14-,16-/m0/s1/fC19H19N8O2/h23-24,27H/q+1 17200C12E9B88E22