2-hexyl-4-methylideneoxane

2-hexyl-4-methyl-5,6-dihydro-2H-pyran

6-Hexyl-4-methyl-5,6-dihydro-2H-pyran

4-methylidene-1-oxaspiro[5.5]undecane

1-oxa-4-methylspiro[5.5]4-undecene