InChI=1S/C27H32O17/c28-7-16-17(32)18(33)21(36)27(43-16)42-15-3-8(1-2-11(15)29)23-13(31)6-10-12(30)4-9(5-14(10)41-23)40-26-22(37)19(34)20(35)24(44-26)25(38)39/h1-5,13,16-24,26-37H,6-7H2,(H,38,39)