InChI=1S/C28H40O10/c1-2-3-4-9-14-18-19(36-18)15-10-7-5-6-8-12-17-13-11-16-20(21(17)26(32)33)37-28-24(31)22(29)23(30)25(38-28)27(34)35/h4,9,11,13,16,18-19,22-25,28-31H,2-3,5-8,10,12,14-15H2,1H3,(H,32,33)(H,34,35)/b9-4-