InChI=1S/C21H20O14/c22-7-4-9(24)12(10(25)5-7)14(28)11(26)3-6-1-2-8(23)18(13(6)27)34-21-17(31)15(29)16(30)19(35-21)20(32)33/h1-2,4-5,15-17,19,21-25,27,29-31H,3H2,(H,32,33)