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