[Al+3].[Al+3].[O-]C1=C(I)C2=C(C=C1I)C1(OC(=O)C3=C1C=CC=C3)C1=CC(I)=C([O-])C(I)=C1O2.[O-]C1=C(I)C2=C(C=C1I)C1(OC(=O)C3=C1C=CC=C3)C1=CC(I)=C([O-])C(I)=C1O2.[O-]C1=C(I)C2=C(C=C1I)C1(OC(=O)C3=C1C=CC=C3)C1=CC(I)=C([O-])C(I)=C1O2