malonylurea vs barbituric acid

malonylurea and barbituric acid both are nouns.

Word	Noun	Adjective	Verb	Adverb
malonylurea	Yes	No	No	No
barbituric acid	Yes	No	No	No

As nouns, malonylurea and barbituric acid are synonyms defined as:

malonylurea and barbituric acid: a white crystalline acid derived from pyrimidine; used in preparing barbiturate drugs

malonylurea (noun)	barbituric acid (noun)
a white crystalline acid derived from pyrimidine; used in preparing barbiturate drugs	a white crystalline acid derived from pyrimidine; used in preparing barbiturate drugs