InChI=1S/C28H42O10/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-18-19(29)16-17-20(21(18)26(33)34)37-28-24(32)22(30)23(31)25(38-28)27(35)36/h7-8,16-17,22-25,28-32H,2-6,9-15H2,1H3,(H,33,34)(H,35,36)/b8-7+