InChI=1S/C22H18O12/c1-30-7-2-3-9-11(5-7)32-18-13(9)21(29)33-12-6-8(4-10(23)14(12)18)31-22-17(26)15(24)16(25)19(34-22)20(27)28/h2-6,15-17,19,22-26H,1H3,(H,27,28)