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