InChI=1S/C31H30O15/c1-42-13-4-2-3-11(5-13)26-15(10-32)14-6-12(7-18(35)27(14)44-26)19-8-16(33)21-20(43-19)9-17(34)22(36)28(21)45-31-25(39)23(37)24(38)29(46-31)30(40)41/h2-7,9,15,19,23-26,29,31-32,34-39H,8,10H2,1H3,(H,40,41)