InChI=1/C11H10N4O2/c12-6-10-13-11(17-15-10)5-8-7-3-1-2-4-9(7)16-14-8/h1-4H,5-6,12H2/p+1/fC11H11N4O2/h12H/q+1 DA41D19065863069