InChI=1S/C31H30O16/c1-43-19-6-10(2-3-17(19)45-31-26(40)24(38)25(39)29(47-31)30(41)42)27-13(9-32)12-4-11(5-16(35)28(12)46-27)18-7-14(33)21-20(44-18)8-15(34)22(36)23(21)37/h2-6,8,13,18,24-27,29,31-32,34-40H,7,9H2,1H3,(H,41,42)