InChI=1S/C27H28O19/c28-5-11-13(31)16(34)20(38)26(44-11)43-10-4-9-12(14(32)18(36)22(42-9)6-1-2-7(29)8(30)3-6)15(33)23(10)45-27-21(39)17(35)19(37)24(46-27)25(40)41/h1-4,11,13,16-17,19-21,24,26-31,33-39H,5H2,(H,40,41)