InChI=1S/C31H36O11/c1-13(2)5-7-15-9-18-22(11-21(15)40-31-26(36)24(34)25(35)29(42-31)30(37)38)39-12-19-17-10-20(32)23(33)16(8-6-14(3)4)27(17)41-28(18)19/h5-6,9-11,19,24-26,28-29,31-36H,7-8,12H2,1-4H3,(H,37,38)