InChI=1S/C21H20O15/c22-6-3-7(23)11(35-21-18(32)16(30)17(31)19(36-21)20(33)34)2-5(6)1-9(25)13(27)12-8(24)4-10(26)14(28)15(12)29/h2-4,16-19,21-24,26,28-32H,1H2,(H,33,34)