6-prop-2-enoxy-3,4-dihydro-2H-naphthalen-1-one

[phenyl(prop-2-enoxymethyl)phosphoryl]benzene

1-cyclopent-2-en-1-yl-4-prop-2-enoxybenzene

1-cyclopentyl-4-prop-2-enoxybenzene

S-tert-butyl 2-acetylpent-4-enethioate