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