InChI=1/C16H12O3S/c17-15(18)8-10-5-6-13-14(7-10)20-9-11-3-1-2-4-12(11)16(13)19/h1-7H,8-9H2,(H,17,18)/p-1/fC16H11O3S/q-1 22DA9590E14B03E4