🌐EnglishEnglishDeutschFrançaisPolski中文EntityQ414594· pop 8· linked from 12 articlespolychlorinated naphthalenegroup of chemical compoundsConnectionshydrogenEntityNorthern IrelandEntityCategoriesChembox image size setChemical pages without ChemSpiderIDChemicals without a PubChem CIDChloroarenesECHA InfoCard ID from WikidataNaphthalenesPersistent organic pollutants under the Stockholm Convention