InChI=1S/C21H26O8S/c1-5-7-12-11-15(22)27-19-13-9-10-21(3,4)28-20(13)17(18(23)16(12)19)14(8-6-2)29-30(24,25)26/h9-11,14,23H,5-8H2,1-4H3,(H,24,25,26)