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