InChI=1/C15H14N4O5S/c20-15(9-1-2-9)16-14-12-7-25(23,24)8-13(12)17-18(14)10-3-5-11(6-4-10)19(21)22/h3-6,9H,1-2,7-8H2,(H,16,20)/f/h16H 2AF5F9CFA7BA72A6