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