Dopamine is an important chemical that carries signals between nerves in the brain.

Normally, these nerve cells make an important chemical called dopamine.

Over the years, Cyanamid scientists developed numerous important new chemical, pharmaceutical, and medical products.

Dopamine is an important chemical found in the brain.

Parkinson's disease is believed to be due to a lack of an important chemical (dopamine) in the brain.

Potash was one of the most important industrial chemicals in Canada.

Mutations can cause development to go wrong, or a simple biochemical deficiency (the body does not have enough of an important chemical).

Phosphatidylserine is an important chemical with widespread functions in the body.

It is an important industrial chemical used as a monomer in the production of synthetic rubber.

Stable iodine is an important chemical needed by the body to make thyroid hormones.