Terms containing butene

Subject	French	Dutch
chem.	butène-1	buteen-1
oil, chem.	1-butène	1-buteen
oil, chem.	butène-1	1-buteen
chem.	1-butène	buteen-1
chem.	cis-butène-2	cis-buteen-2
chem.	méthyl-3 butène-1	3-methylbuteen-1
chem.	méthyl-2 butène-1	2-methylbuteen-1
chem.	méthyle-2 butène-2	2-methylbuteen-2
chem.	trans-butène-2	trans-buteen-2