InChI=1S/C28H30O15/c1-8-10-5-6-27(3)12(10)22(41-25(8)38)15(30)11-13(27)16(31)17(32)14(28(4,39)7-40-9(2)29)21(11)42-26-20(35)18(33)19(34)23(43-26)24(36)37/h18-20,23,26,31-35,39H,5-7H2,1-4H3,(H,36,37)