InChI=1S/C27H26O19/c28-8-2-1-6(3-9(8)29)21-16(33)13(30)12-10(43-21)4-7(42-26-19(36)14(31)17(34)22(45-26)24(38)39)5-11(12)44-27-20(37)15(32)18(35)23(46-27)25(40)41/h1-5,14-15,17-20,22-23,26-29,31-37H,(H,38,39)(H,40,41)