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