1.   Both companies have requested FDA approval to sell synthetic versions of the drug.

2.   A synthetic version can be a wonder drug for those who suffer from anemia and AIDS and those who are undergoing chemotherapy.

3.   A synthetic version can serve as a wonder drug for patients suffering from anemia, AIDS and cancer.

4.   A synthetic version is used to treat osteoporosis, a disease that causes bones to become porous and brittle.

5.   A synthetic version of a chemical that naturally occurs in the body, Sam-e is used to treat depression and osteoarthritis.

6.   A synthetic version of one main ingredient, tetrahydrocannabinol, is sold as the appetite stimulant and anti-nausea drug Marinol, but its value is not entirely proven.

7.   But some athletes take a synthetic version to boost their strength and endurance.

8.   But with all of the technology available to us, why not whip up synthetic versions of these ancient extracts that mimic the magic of the originals?

9.   Caverject is a synthetic version of alprostadil.

10.   Cheaters have become sophisticated by using synthetic versions of substances that exist naturally in the body and are difficult to detect.