InChI=1S/C28H40O8S/c1-20(2)9-6-10-21(3)11-7-12-22(4)13-8-14-23(5)15-16-24-26(18-17-25(29)28(24)31)36-27(30)19-35-37(32,33)34/h9,11,13,15,17-18,29,31H,6-8,10,12,14,16,19H2,1-5H3,(H,32,33,34)/b21-11+,22-13+,23-15-