InChI=1/C7H6O7/c8-4(7(13)14)1-3(6(11)12)2-5(9)10/h1-2,8H,(H,9,10)(H,11,12)(H,13,14)/p-3/b3-2+,4-1+/fC7H3O7/q-3	7E0F2FF19AB5F69E