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