InChI=1S/C21H22O13/c22-7-3-9(23)8-5-11(25)18(32-12(8)4-7)6-1-10(24)14(26)13(2-6)33-21-17(29)15(27)16(28)19(34-21)20(30)31/h1-4,11,15-19,21-29H,5H2,(H,30,31)