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