InChI=1S/C28H42O10/c1-18(29)14-11-9-7-5-3-2-4-6-8-10-12-15-19-16-13-17-20(30)21(19)27(36)38-28-24(33)22(31)23(32)25(37-28)26(34)35/h3,5,13,16-18,22-25,28-33H,2,4,6-12,14-15H2,1H3,(H,34,35)/b5-3+