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