InChI=1/C14H14N4O3/c1-2-12-16-14-15-9(13(20)21)7-10(18(14)17-12)8-5-3-4-6-11(8)19/h3-6,10,19H,2,7H2,1H3,(H,20,21)/p-1/t10-/m1/s1/fC14H13N4O3/q-1 15C8DBB342CDFE38