InChI=1S/C21H26O8S/c1-6-7-12-10-14(22)27-19-13-8-9-21(4,5)28-20(13)16(17(23)15(12)19)18(11(2)3)29-30(24,25)26/h8-11,18,23H,6-7H2,1-5H3,(H,24,25,26)