InChI=1/C16H12ClN2O4S/c17-9-1-5-15-13(7-9)18-16(20)12-8-10(2-6-14(12)23-15)19-24(21,22)11-3-4-11/h1-2,5-8,11H,3-4H2,(H,18,20)/q-1/f/h18H A24311F622A74AB6