InChI=1/C14H9N5O2S/c20-11(8-7-15-14-19(12(8)21)5-6-22-14)18-13-16-9-3-1-2-4-10(9)17-13/h1-7H,(H2,16,17,18,20)/f/h16-17H 915CB301EB7127A4