InChI=1S/C14H14O12S/c1-24-9-6-7(2-4-8(9)15)3-5-10(16)25-11(13(17)18)12(14(19)20)26-27(21,22)23/h2-6,11-12,15H,1H3,(H,17,18)(H,19,20)(H,21,22,23)