InChI=1S/C31H36O11/c1-16(2)5-4-6-17(15-32)7-10-21-22(12-19(33)13-24(21)39-3)25-11-18-8-9-20(14-23(18)41-25)40-31-28(36)26(34)27(35)29(42-31)30(37)38/h5,7-9,11-14,26-29,31-36H,4,6,10,15H2,1-3H3,(H,37,38)/b17-7-