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