InChI=1S/C18H28O8S/c1-13(2)7-5-4-6-8-16(26-27(21,22)23)18(20)25-12-14-9-10-15(19)17(11-14)24-3/h9-11,13,16,19H,4-8,12H2,1-3H3,(H,21,22,23)