Munurin millum rættingarnar hjá "Alken"

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s The file Image:Ethylene2.png has been replaced by Image:Ethene-2D-flat.png by administrator commons:User:Leyo: ''scaled-down duplicate''. ''Translate me!''
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s bottur leggur aftrat: cy:Alcen
Linja 26:
[[ca:Alquè]]
[[cs:Alkeny]]
[[cy:Alcen]]
[[da:Alken]]
[[de:Alkene]]