InChI=1S/C27H30O14/c1-10-23(40-27-21(35)19(33)17(31)15(9-28)39-27)20(34)22(36)26(37-10)41-25-18(32)16-13(30)7-12(29)8-14(16)38-24(25)11-5-3-2-4-6-11/h2-8,10,15,17,19-23,26-31,33-36H,9H2,1H3