InChI=1S/C27H26O18/c28-9-2-1-7(3-10(9)29)13-6-12(31)15-11(30)4-8(5-14(15)42-13)41-26-20(36)17(33)19(35)23(44-26)25(40)45-27-21(37)16(32)18(34)22(43-27)24(38)39/h1-6,16-23,26-30,32-37H,(H,38,39)/t16-,17-,18-,19-,20+,21+,22-,23-,26+,27-/m0/s1