The product, a derivative of a chrysanthemum-type flower, is made synthetically under the name sumithrin.

A zircon with 100% hafnium substitution can be made synthetically and is hafnon.

There are no known naturally occurring penems; all of them are synthetically made.

Enough plutonium was produced to make it the first synthetically made element to be visible with the unaided eye.

It can be made synthetically by heating together urea and glycocoll.

They are synthetically made compounds and have not been discovered in nature.

Melatonin used as medicine is usually made synthetically in a laboratory.

This is a rare mineral to encounter in its natural state, but it has been made synthetically for over 40 years.

The peptide, which is a minute portion of the virus, then can be made synthetically.

The compound is mainly made synthetically and is a precursor to other synthetic compounds.