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