InChI=1/C8H8O6S/c9-6-3-1-5(2-4-6)7(8(10)11)15(12,13)14/h1-4,7,9H,(H,10,11)(H,12,13,14)/p-2/t7-/m0/s1/fC8H6O6S/q-2 169FA3EF65DD5719