InChI=1S/C27H26O19/c28-7-3-1-6(2-4-7)20-21(44-27-19(37)15(33)17(35)23(46-27)25(40)41)13(31)10-8(42-20)5-9(11(29)12(10)30)43-26-18(36)14(32)16(34)22(45-26)24(38)39/h1-5,14-19,22-23,26-30,32-37H,(H,38,39)(H,40,41)