InChI=1S/C26H28O12/c1-9-5-11(27)6-14-17(9)24(33)36-21-10(2)12(7-16-26(3,4)38-16)13(8-15(21)34-14)35-25-20(30)18(28)19(29)22(37-25)23(31)32/h5-6,8,16,18-20,22,25,27-30H,7H2,1-4H3,(H,31,32)