3d image of hexyne skeletal formula

1-hexyne n-butylacetylene hydrocarbon hex-1-yne terminal alkyne diethyl fumarate complex molecules agrochemical pharmaceutical perfumery industries cycloaddition azides isoindolinones substance matter material compound component agent stuff reagent functional group precursor synthesis reaction production building block molecule molecular formula skeletal structural structure geometry ball stick atom chemistry science scientific research organic chemical isolated white background model 3d