InChI=1S/C29H50O8S/c1-7-18(15(2)3)27(33)26(32)16(4)20-10-11-21-19-9-8-17-12-24(37-38(34,35)36)22(30)13-28(17,5)25(19)23(31)14-29(20,21)6/h7,15-17,19-27,30-33H,8-14H2,1-6H3,(H,34,35,36)/b18-7+