InChI=1/C8H6O7S/c9-7(10)4-1-5(8(11)12)3-6(2-4)16(13,14)15/h1-3H,(H,9,10)(H,11,12)(H,13,14,15)/p-3/fC8H3O7S/q-3 CC1CA8B458EF4180