InChI=1S/C29H48O8S/c1-17(2)19(4)18(3)13-20(16-30)22-7-8-23-24-14-25(31)29(33)15-21(37-38(34,35)36)9-10-27(29,6)28(24,32)12-11-26(22,23)5/h13-14,17,19-23,25,30-33H,7-12,15-16H2,1-6H3,(H,34,35,36)/b18-13+