InChI=1/C14H13NO6S/c1-22-5-4-10(14(20)21)15-11(16)8-3-2-7(13(18)19)6-9(8)12(15)17/h2-3,6,10H,4-5H2,1H3,(H,18,19)(H,20,21)/p-2/t10-/m1/s1/fC14H11NO6S/q-2 2A2BACF73EC3FD9F