[{"from": "human", "value": "Provide a brief overview of this molecule. [C][C][C][C][N]"}, {"from": "gpt", "value": "The molecule is a colourless liquid which acquires a yellow colour upon storage in air. It is one of the four isomeric amines of butane. It is known to have the fishy, ammonia-like odor common to amines."}]