InChI=1S/C20H24O8S/c1-11-19(12-5-6-16(18(7-12)27-4)28-29(23,24)25)14-9-15(21)17(26-3)8-13(14)10-20(11,2)22/h5-9,11,19,21-22H,10H2,1-4H3,(H,23,24,25)