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