Identify whether each of the given structures belongs to the same compound or a different one.

A, C, D, and E belong to the same compound, while B and F belong to different ones.

A, C, and F belong to the same compound, while B and E belong to different ones.

A, B, and C belong to the same compound, while D, E, and F belong to different ones.

All the structures belong to the same compound. the same compound while D, E, and F are all different ones.