InChI=1S/C27H22O20/c28-9-1-6(3-13(16(9)33)45-26(43)8-5-11(30)17(34)18(35)14(8)31)24(41)44-12-4-7(2-10(29)15(12)32)25(42)47-27-21(38)19(36)20(37)22(46-27)23(39)40/h1-5,19-22,27-38H,(H,39,40)