InChI=1S/C28H34O11/c1-14(29)37-21-22(2,3)17-9-18(30)36-13-24(17)16-5-7-23(4)20(15-6-8-35-11-15)38-19(31)10-27(23,33)26(16)12-25(21,32)28(24,34)39-26/h6,8,11,16-17,20-21,32-34H,5,7,9-10,12-13H2,1-4H3/t16-,17+,20+,21+,23+,24-,25-,26-,27+,28-/m0/s1