InChI=1/C12H14N4O2/c1-15(2)10-5-3-9(4-6-10)12-13-8-16(14-12)7-11(17)18/h3-6,8H,7H2,1-2H3,(H,17,18)/p-1/fC12H13N4O2/q-1 07E1B75D5DEA2CC2