InChI=1/C13H9N7OS/c1-7-15-9-5-3-2-4-8(9)11-16-13(18-20(7)11)17-12(21)10-6-14-22-19-10/h2-6H,1H3,(H,17,18,21)/f/h17H D443CBEEAE5C8668