deoxybarbiturate

de·ox·y·bar·bi·tu·rate

(dē-oks'ē-bar-bit'yūr-āt), Avoid the misspelling/mispronunciation deoxybarbituate.
A barbiturate compound lacking the oxygen atom at the #2 position in the ring; example of a deoxybarbiturate is the antiepileptic drug, primidone.
See also: barbiturate.