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