title: [Indene and related compounds. V. Ring expansion of 2-nitro-1-indanone oxime with polyphosphoric acid. (Studies on the syntheses of heterocyclic compounds. 173.)].
mesh_terms: D055598:Chemical Phenomena; D002621:Chemistry; D007192:Indenes; D010756:Phosphoric Acids
chemical_list: D007192:Indenes; D010756:Phosphoric Acids