has role gas molecular entity mutagen oxirane 1,2-epoxyethane CHEBI:24001 Oxacyclopropane oxyde d'ethylene Anproline Oxidoethane CHEBI:4900 Ethylene oxide 1,2-Epoxyaethan chebi_ontology ETO Amprolene Anprolene epoxyethane CHEBI:27561 Aethylenoxid A saturated organic heteromonocyclic parent that is a three-membered heterocycle of two carbon atoms and one oxygen atom. Dihydrooxirene Oxyfume Oxane ethene oxide Dimethylene oxide saturated organic heteromonocyclic parent oxacycle allergen mouse metabolite