Synonyms: Ethylphosphonic acid cyclic methylene-o-phenylene ester;BRN 2523581;2-Ethyl-4H-1,3,2-benzodioxaphosphorin-2-oxide;4H-1,3,2-Benzodioxaphosphorin, 2-ethyl-, 2-oxide;Phosphonic acid, ethyl-, cyclic methylene-o-phenylene ester;5853-68-9;AC1L46CA;2-ethyl-4H-1,3,2;LS-106602;2-ethyl-4H-1,3,2-benzodioxaphosphinine 2-oxide