InChI=1S/C27H22O19/c28-10-1-7(23(37)38)4-13(16(10)31)43-25(41)8-2-11(29)17(32)14(5-8)44-26(42)9-3-12(30)18(33)15(6-9)45-27-21(36)19(34)20(35)22(46-27)24(39)40/h1-6,19-22,27-36H,(H,37,38)(H,39,40)