oxazolone

== English == === Noun === oxazolone (countable and uncountable, plural oxazolones) (organic chemistry) A five-membered heterocycle containing three carbon atoms, one nitrogen atom, one oxygen atom, a carbonyl group and a double bond (chemistry) A chemical allergen, 4-ethoxymethylene-2-phenyloxazol-5-one, used for immunological experiments, particularly for experiments on delayed type hypersensitivity. ==== Derived terms ==== benzoxazolone