Brevibloc vs esmolol

Brevibloc and esmolol both are nouns.

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

As nouns, Brevibloc and esmolol are synonyms defined as:

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

Brevibloc (noun)	esmolol (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