InChI=1S/C27H30O12/c1-5-6-12-7-13-11(2)20(37-21(13)15(8-12)33-3)14-9-16-23(36-10-35-16)25(34-4)22(14)38-27-19(30)17(28)18(29)24(39-27)26(31)32/h5-9,11,17-20,24,27-30H,10H2,1-4H3,(H,31,32)