InChI=1/C19H17N7O3/c27-16(4-7-26-8-6-20-12-26)21-15-3-1-2-13(10-15)18(28)23-19-22-17(24-25-19)14-5-9-29-11-14/h1-3,5-6,8-12H,4,7H2,(H,21,27)(H2,22,23,24,25,28)/p+1/fC19H18N7O3/h20-21,23-24H/q+1 5DF31D43916C3ABA