InChI=1/C11H10N2O3/c1-5-3-7-8(4-6(5)2)13-10(14)9(12-7)11(15)16/h3-4H,1-2H3,(H,13,14)(H,15,16)/p-1/fC11H9N2O3/h13H/q-1 BA19B8AF672E870F