InChI=1S/C20H24O9S/c1-12(2)15(29-30(22,23)24)7-8-20(3)18(28-20)11-26-16-9-13(25-4)10-17-14(16)5-6-19(21)27-17/h5-6,9-10,15,18H,1,7-8,11H2,2-4H3,(H,22,23,24)