1-phenyl-3-(4-chlorophenyl) pyrazol-4-carboxaldehyde, 3-(4-Chlorophenyl)-1-phenyl-1H-pyrazole-4-carbaldehyde, 3-(p-Chlorophenyl)-1-phenylpyrazole-4-carboxaldehyde, 1-phenyl-3-(4-chlorophenyl)-4-pyrazolecarboxaldehyde, 3-(4'-chlorophenyl)-1-phenylpyrazole-4-carbaldehyde, 3-(4-chlorophenyl)-1-phenyl-1H-pyrazole-4-carboxaldehyde