InChI=1S/C27H26O19/c28-7-4-9(30)12-11(5-7)42-20(21(13(12)31)44-27-19(37)15(33)17(35)23(46-27)25(40)41)6-1-2-10(8(29)3-6)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)