InChI=1S/C25H28O12/c1-5-10(2)23(32)35-19-14-12(8-6-11-7-9-13(26)34-18(11)14)33-21(19)25(3,4)37-24-17(29)15(27)16(28)20(36-24)22(30)31/h5-9,15-17,19-21,24,27-29H,1-4H3,(H,30,31)/b10-5+