diethylmalonylurea vs diethylbarbituric acid

diethylmalonylurea and diethylbarbituric acid both are nouns.

Word	Noun	Adjective	Verb	Adverb
diethylmalonylurea	Yes	No	No	No
diethylbarbituric acid	Yes	No	No	No

As nouns, diethylmalonylurea and diethylbarbituric acid are synonyms defined as:

diethylmalonylurea and diethylbarbituric acid: a barbiturate used as a hypnotic

Other synonyms of diethylmalonylurea include barbital, barbitone, veronal.

diethylmalonylurea (noun)	diethylbarbituric acid (noun)
a barbiturate used as a hypnotic	a barbiturate used as a hypnotic