InChI=1S/C30H32O17/c1-11(31)42-10-19-21(33)22(34)25(37)30(46-19)45-18-8-16-14(7-17(18)41-2)20(32)15(9-43-16)12-3-5-13(6-4-12)44-29-26(38)23(35)24(36)27(47-29)28(39)40/h3-9,19,21-27,29-30,33-38H,10H2,1-2H3,(H,39,40)