InChI=1S/C21H24O13/c22-8(4-10-11(24)5-9(23)6-12(10)25)1-7-2-13(26)18(14(27)3-7)33-21-17(30)15(28)16(29)19(34-21)20(31)32/h2-3,5-6,8,15-17,19,21-30H,1,4H2,(H,31,32)