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