InChI=1S/C20H28O6S/c1-11(2)12-9-13-14(10-15(12)21)20(5)8-6-7-19(3,4)18(20)16(22)17(13)26-27(23,24)25/h9-11,17-18,21H,6-8H2,1-5H3,(H,23,24,25)