2-Phenyl-5-nitro-4,6-dichloro-pyrimidine, 4,6-Dichlor-5-nitro-2-phenyl-pyrimidin, 4,6-Dichloro-3-formylcoumarin, 4,6-dichloro-2-oxo-2H-chromene-3-carbaldehyde, 4,6-Dichlor-3-formylcumarin, 4,6-dichloro-5-nitro-2-phenyl-pyrimidine, 4,6-Dichloro-2-phenyl-5-nitropyrimidine, 5-Nitro-4,6-dichlor-2-phenyl-pyrimidin, 2-phenyl-4,6-dichloro-5-nitropyrimidine