InChI=1/C21H20N4O3S/c1-3-28-20(27)16(12-22)13-23-18-6-4-5-7-19(18)25-21(29)24-17-10-8-15(9-11-17)14(2)26/h4-11,13,23H,3H2,1-2H3,(H2,24,25,29)/b16-13+/f/h24-25H 5C125DEC2275F077