L-Selenomethionine is a naturally occurring amino acid. It promotes cell cycle progression and elevates the expression of the antioxidant enzymes thioredoxin reductase glutathione reductase.

Tedizolid is an oxazolidinone-class antibiotic. Tedizolid phosphate is a phosphate ester prodrug of the active compound tedizolid.

Mecysteine hydrochloride is an antitussive, and an expectorant agent, used to relieve breathing difficulties caused by mucus.