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