4-Chloro-3-formyl-7-azaindole

4-Chloro-7-azaindole-3-carbaldehyde

4-Chloro-1H-pyrrolo[2,3-b]pyridine-3-carbaldehyde

1H-Pyrrolo[2,3-b]pyridine-3-carboxaldehyde, 4-chloro-