2-formylpyridine2-Picolinaldehyde2-Picolinealdehyde2-Pyridaldehyde2-Pyridinecarbaldehyde2-Pyridinecarboxaldehyde2-Pyridylaldehyde2-Pyridylcarboxaldehyde2-pyridylformaldehydePicolinalPicolinaldehydePicolinic aldehydePyridine-2-aldehydePyridine-2-carboxaldehydealpha-picolinaldehydeo-Nicotinaldehydepicolinal