InChI=1/C15H14N4O6S/c20-15(16-21)10-17(9-11-5-7-12(8-6-11)18(22)23)26-14-4-2-1-3-13(14)19(24)25/h1-8,21H,9-10H2,(H,16,20)/f/h16H 6612F2D1A6DDD296