InChI=1S/C31H36O17/c1-11-15(42-3)8-17(19-20(32)13(9-44-27(11)19)12-5-6-14(41-2)16(7-12)43-4)46-31-26(38)22(34)21(33)18(47-31)10-45-30-25(37)23(35)24(36)28(48-30)29(39)40/h5-9,18,21-26,28,30-31,33-38H,10H2,1-4H3,(H,39,40)