InChI=1S/C27H26O16/c1-7-17(32)18(33)20(35)24(40-7)16-12(31)6-14-15(11(30)5-13(41-14)8-2-3-9(28)10(29)4-8)23(16)42-27-22(37)19(34)21(36)25(43-27)26(38)39/h2-7,18-22,24-25,27-29,31,33-37H,1H3,(H,38,39)