InChI=1S/C26H26O21/c27-3-7-16-15(33)19(23(38)42-7)45-22(37)5-2-8(28)26(41)25(39,40)10(5)9-4(21(36)44-16)1-6(11(29)17(9)47-26)43-24-14(32)12(30)13(31)18(46-24)20(34)35/h1-2,7,10,12-16,18-19,23-24,27,29-33,38-41H,3H2,(H,34,35)