InChI=1S/C14H16O9S/c1-14(2)6-10(16)8-3-7(9(15)4-11(8)22-14)12(5-13(17)18)23-24(19,20)21/h3-4,12,15H,5-6H2,1-2H3,(H,17,18)(H,19,20,21)