plural of heptene

(organic chemistry) Any of many isomers of the alkene having seven carbon atoms and one double bond; a mixture of such isomers used in lubricants etc

(organic chemistry, in combination) A derivative of heptene where the next name part starts with a vowel, often "-one" or "-ol".

(organic chemistry) Any of several isomeric unsaturated aldehydes that have seven carbon atoms

Synonym of melonal