InChI=1S/C15H20O13S/c1-25-8-4-6(9(5-16)28-29(22,23)24)2-3-7(8)26-15-12(19)10(17)11(18)13(27-15)14(20)21/h2-4,9-13,15-19H,5H2,1H3,(H,20,21)(H,22,23,24)