InChI=1S/C31H34O11/c1-14(2)5-8-18-21(32)11-7-16-13-20(30(39)41-27(16)18)17-10-12-22(19(23(17)33)9-6-15(3)4)40-31-26(36)24(34)25(35)28(42-31)29(37)38/h5-7,10-13,24-26,28,31-36H,8-9H2,1-4H3,(H,37,38)