InChI=1/C22H18N4O4S/c23-31(29,30)18-12-8-16(9-13-18)25-26-21-20-15(2-1-3-19(20)24-22(21)28)7-4-14-5-10-17(27)11-6-14/h1-13,25,27H,(H2,23,29,30)(H,24,26,28)/b7-4+/f/h24H,23H2/b7-4+,26-21-	22C688E870F77A13