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