esmolol vs Brevibloc

esmolol and Brevibloc both are nouns.

Word	Noun	Adjective	Verb	Adverb
esmolol	Yes	No	No	No
Brevibloc	Yes	No	No	No

As nouns, esmolol and Brevibloc are synonyms defined as:

esmolol and Brevibloc: intravenous beta blocker (trade name Brevibloc) that acts for only a short time; used primarily for cardiac arrhythmias

esmolol (noun)	Brevibloc (noun)
intravenous beta blocker (trade name Brevibloc) that acts for only a short time; used primarily for cardiac arrhythmias	intravenous beta blocker (trade name Brevibloc) that acts for only a short time; used primarily for cardiac arrhythmias