InChI=1S/C28H28O11/c1-35-16-10-8-13(11-17(16)36-2)14-9-7-12-5-4-6-15-18(12)19(14)20(29)25(37-3)24(15)38-28-23(32)21(30)22(31)26(39-28)27(33)34/h4-11,21-26,28,30-32H,1-3H3,(H,33,34)