InChI=1S/C8H10NO.C7H8O3S/c1-7(10)8-3-5-9(2)6-4-8;1-6-2-4-7(5-3-6)11(8,9)10/h3-6H,1-2H3;2-5H,1H3,(H,8,9,10)/q+1;/p-1