🌐EnglishEnglishDeutschEspañolFrançaisNederlandsPolskiPortuguêsSvenskaTiếng ViệtРусскийالعربية中文日本語EntityQ899851· pop 10unsaturated compoundchemical compound with at least one multiple bondAvailable in 10 languagesFrançaisDeutsch中文PortuguêsالعربيةBulgarianGreekNederlandsPolskiTiếng Việt