title: [Chiral pyrazolidinediones, I: regioselective condensation of cyanoacetates with phenylhydrazine (author's transl)].
mesh_terms: D000085:Acetates; D055598:Chemical Phenomena; D002621:Chemistry; D010659:Phenylhydrazines
chemical_list: D000085:Acetates; D010659:Phenylhydrazines
vernacular_title: Chirale Pyrazolidindione, 1. Mitt. Regioselektive Kondensation von Cyanessigestern mit Phenylhydrazin.