InChI=1S/C27H22O20/c28-9-1-7(26(43)45-21-14(32)8(23(38)39)5-10(29)16(21)34)4-13(15(9)33)44-25(42)6-2-11(30)20(12(31)3-6)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)