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