InChI=1S/C16H16O9S/c1-23-9-2-3-10(12(18)6-9)11-7-24-14-5-8(17)4-13(19)15(14)16(11)25-26(20,21)22/h2-6,11,16-19H,7H2,1H3,(H,20,21,22)