InChI=1S/C28H30O15/c1-8(2)6-12(30)13-10(4)20-24(19(35)23(13)39-5)41-27(38)14-9(3)15(31)22(11(7-29)21(14)40-20)42-28-18(34)16(32)17(33)25(43-28)26(36)37/h7-8,16-18,25,28,31-35H,6H2,1-5H3,(H,36,37)