InChI=1S/C28H38O8/c1-18(2)8-6-9-19(3)10-7-11-20(4)12-13-28-22(29)14-21(25(33)26(28)36-28)17-35-24(32)16-27(5,34)15-23(30)31/h8,10,12,14,26,34H,6-7,9,11,13,15-17H2,1-5H3,(H,30,31)/b19-10+,20-12+/t26-,27?,28?/m1/s1