InChI=1S/C16H16O9S/c1-24-15-9(3-7-13(19)16(15)25-26(21,22)23)2-6-12(18)11-5-4-10(17)8-14(11)20/h3-5,7-8,17,19-20H,2,6H2,1H3,(H,21,22,23)