O.O.O.O.O.O.O.[Na+].[Na+].[O-][N+](=O)C1=CC=C(C=C1)C1=CC=C(O1)\C=N\N1CC(=O)[N-]C1=O.[O-][N+](=O)C1=CC=C(C=C1)C1=CC=C(O1)\C=N\N1CC(=O)[N-]C1=O