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