InChI=1S/C27H30O15/c1-9-17(32)21(36)25(42-26-22(37)20(35)18(33)15(8-28)40-26)27(38-9)41-24-19(34)16-13(31)6-12(30)7-14(16)39-23(24)10-2-4-11(29)5-3-10/h2-7,9,15,17-18,20-22,25-33,35-37H,8H2,1H3