InChI=1S/C15H16O9S/c1-15(14(17)18,8-23-25(19,20)21)7-10-11(22-2)5-3-9-4-6-12(16)24-13(9)10/h3-6H,7-8H2,1-2H3,(H,17,18)(H,19,20,21)