InChI=1S/C17H26O8S/c1-13(11-25-26(20,21)22)6-4-3-5-7-17(19)24-12-14-8-9-15(18)16(10-14)23-2/h8-10,13,18H,3-7,11-12H2,1-2H3,(H,20,21,22)