InChI=1/C21H20N4O4S/c1-27-16-7-14-15(8-17(16)28-2)25(11-24-14)19-9-18(20(30-19)21(23)26)29-10-12-4-3-5-13(22)6-12/h3-9,11H,10,22H2,1-2H3,(H2,23,26)/f/h23H2 16312B86D017560F