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