InChI=1S/C21H24O8S/c1-27-20-10-13-5-3-4-6-15(22)12-19(29-30(24,25)26)14-7-8-18(23)16(11-14)17(9-13)21(20)28-2/h7-11,19,23H,3-6,12H2,1-2H3,(H,24,25,26)