InChI=1S/C28H30O15/c1-9(2)5-13(31)15-10(3)21-24(20(35)23(15)39-4)42-27(38)16-11(7-29)6-14(12(8-30)22(16)41-21)40-28-19(34)17(32)18(33)25(43-28)26(36)37/h6,8-9,17-19,25,28-29,32-35H,5,7H2,1-4H3,(H,36,37)