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