InChI=1/C13H11N7O3/c1-20-9-7(10(21)17-13(20)23)3-4-8(16-9)11(22)18-19-12-14-5-2-6-15-12/h2-6H,1H3,(H,18,22)(H,14,15,19)(H,17,21,23)/f/h17-19H 201287008E757C4F