InChI=1S/C14H18O9S/c1-7(2)4-5-8-9(15)6-10(16)11(12(8)22-3)13(14(17)18)23-24(19,20)21/h4,6,13,15-16H,5H2,1-3H3,(H,17,18)(H,19,20,21)