InChI=1/C10H7N3O3/c14-7-10(8(15)12-9(16)13-10)5-3-1-2-4-6(5)11-7/h1-4H,(H,11,14)(H2,12,13,15,16)/t10-/m1/s1/f/h11-13H B82692B56EB8A9A6