title: Synthesis of some new formazans as potential antiviral agents.
mesh_terms: D000998:Antiviral Agents / Q000138:chemical synthesis*; D001391:Azo Compounds / Q000138:chemical synthesis*; D005562:Formazans / Q000138:chemical synthesis* / Q000494:pharmacology; D009522:Newcastle disease virus / Q000187:drug effects
chemical_list: D000998:Antiviral Agents; D001391:Azo Compounds; D005562:Formazans