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