InChI=1/C13H9N3O5S/c17-12(15-13-14-3-4-22-13)2-1-8-5-10-11(21-7-20-10)6-9(8)16(18)19/h1-6H,7H2,(H,14,15,17)/b2-1+/f/h15H 4292A42FBFB52584