Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Francisco Palacios and Marta Legido and Itziar Perez de Heredia,Reactivity of Conjugated Phosphazenes Derived from Dehydroaspartic Esters with Acyl Halides. Synthesis of 5(4H)-Oxazolone,Heterocycles : an international journal for reviews and communications in heterocyclic chemistry,03855414,Tokyo : Japan Institute of Heterocyclic Chemistry,2000-03,52,3,1057-1064,https://cir.nii.ac.jp/crid/1520010379801730688,