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