InChI=1S/C19H14Cl2N2O4S/c1-28(26,27)12-5-6-13(15(20)10-12)19(25)23-11-8-14(18(21)17(24)9-11)16-4-2-3-7-22-16/h2-10,24H,1H3,(H,23,25)